Edu Vision
Edu Vision
  • Видео 5 712
  • Просмотров 6 537 341
Prove That Cos theta-2 cos cube theta/2 sin cube theta -sin theta =cot theta
How to solve?
Q.Prove That Cos theta-2 cos cube theta/2 sin cube theta -sin theta =cot theta
CLASS 10th | IMPORTANT QUESTIONS
Просмотров: 67

Видео

Find the distance between the points A (10 cos θ, 0) and B (0, 10 sin θ)3:37Find the distance between the points A (10 cos θ, 0) and B (0, 10 sin θ)
Find the distance between the points A (10 cos θ, 0) and B (0, 10 sin θ)
Просмотров 203 месяца назад
How to solve? Q.Find the distance between the points A (10 cos θ, 0) and B (0, 10 sin θ) CLASS 10th | IMPORTANT QUESTIONS
At a point 20 m away from the foot of a tower, the angle of elevation of the top of the tower is 30°2:04At a point 20 m away from the foot of a tower, the angle of elevation of the top of the tower is 30°
At a point 20 m away from the foot of a tower, the angle of elevation of the top of the tower is 30°
Просмотров 123 месяца назад
How to solve? Q.At a point 20 m away from the foot of a tower, the angle of elevation of the top of the tower is 30°. Find the height of the tower. CLASS 10th | IMPORTANT QUESTIONS
If cos(A+B)=0 and sin(A−B)=1/2, then find the value of A and B.2:31If cos(A+B)=0 and sin(A−B)=1/2, then find the value of A and B.
If cos(A+B)=0 and sin(A−B)=1/2, then find the value of A and B.
Просмотров 153 месяца назад
How to solve? Q.If cos(A B)=0 and sin(A−B)=1/2, then find the value of A and B. cLASS 10th | IMPORTANT QUESTIONS
The sum of an infinite GP is 57 and the sum of their cubes is 9747 . Find the GP.4:20The sum of an infinite GP is 57 and the sum of their cubes is 9747 . Find the GP.
The sum of an infinite GP is 57 and the sum of their cubes is 9747 . Find the GP.
Просмотров 956 месяцев назад
How to solve? Q.The sum of an infinite GP is 57 and the sum of their cubes is 9747 . Find the GP. CH- (Geometric Progressions) | IMPORTANT QUESTIONS
Use geometric series to express 0.555...=0.¯¯¯5 as a rational number.1:02Use geometric series to express 0.555...=0.¯¯¯5 as a rational number.
Use geometric series to express 0.555...=0.¯¯¯5 as a rational number.
Просмотров 236 месяцев назад
How to solve? Q.Use geometric series to express 0.555...=0.¯5 as a rational number. CH- (Geometric Progressions) | IMPORTANT QUESTIONS
If b=a+a2+a3+.∞ prove that a=b/1+b.1:19If b=a+a2+a3+.∞ prove that a=b/1+b.
If b=a+a2+a3+.∞ prove that a=b/1+b.
Просмотров 226 месяцев назад
How to solve? Q.If b=a a2 a3 .∞ prove that a=b/1 b. CH- (Geometric Progressions) | IMPORTANT QUESTIONS
What is the locus of z, if amplitude of (z−2−3i) is π/4?2:19What is the locus of z, if amplitude of (z−2−3i) is π/4?
What is the locus of z, if amplitude of (z−2−3i) is π/4?
Просмотров 1026 месяцев назад
How to solve? Q.What is the locus of z, if amplitude of (z−2−3i) is π/4? CH- (Complex numbers) | IMPORTANT QUESTIONS
A square is drawn by joining the mid points of the sides of a square. A third square is draw........5:31A square is drawn by joining the mid points of the sides of a square. A third square is draw........
A square is drawn by joining the mid points of the sides of a square. A third square is draw........
Просмотров 726 месяцев назад
How to solve? Q.A square is drawn by joining the mid points of the sides of a square. A third square is drawn inside the second square in the same way and the process is continued infinitely. If the side of the square is 10 cm, then the sum of areas of all the squares so formed is CH- (Geometric Progressions) | IMPORTANT QUESTIONS
After striking the floor a certain ball rebounds 4/5th of its height from which it has fallen...3:57After striking the floor a certain ball rebounds 4/5th of its height from which it has fallen...
After striking the floor a certain ball rebounds 4/5th of its height from which it has fallen...
Просмотров 386 месяцев назад
How to solve? Q.After striking the floor a certain ball rebounds 4/5th of its height from which it has fallen. The total distance that the ball travels before coming to rest if it is gently released from a height of 120m is CH- (Geometric Progressions) | IMPORTANT QUESTIONS
The sum of an infinite geometric series is 15 and the sum of the squares of these terms is 45.....3:25The sum of an infinite geometric series is 15 and the sum of the squares of these terms is 45.....
The sum of an infinite geometric series is 15 and the sum of the squares of these terms is 45.....
Просмотров 206 месяцев назад
How to solve? Q.The sum of an infinite geometric series is 15 and the sum of the squares of these terms is 45. Find the series. CH- (Geometric Progressions) | IMPORTANT QUESTIONS
Find the modulus and argument of the following complex number and convert them in polar form: 1+3i..3:36Find the modulus and argument of the following complex number and convert them in polar form: 1+3i..
Find the modulus and argument of the following complex number and convert them in polar form: 1+3i..
Просмотров 66 месяцев назад
Find the modulus and argument of the following complex number and convert them in polar form: 1 3i..
If a,b,c are in G.P., prove that log a, log b, log c are in A.P.1:36If a,b,c are in G.P., prove that log a, log b, log c are in A.P.
If a,b,c are in G.P., prove that log a, log b, log c are in A.P.
Просмотров 336 месяцев назад
If a,b,c are in G.P., prove that log a, log b, log c are in A.P.
If x=a+a/r+a/r^2+......to infinity. y=b-b/r+b/r^2+.......to infintyz=c+c/r^2+c/r^4+.....to infint...2:26If x=a+a/r+a/r^2+......to infinity. y=b-b/r+b/r^2+.......to infintyz=c+c/r^2+c/r^4+.....to infint...
If x=a+a/r+a/r^2+......to infinity. y=b-b/r+b/r^2+.......to infintyz=c+c/r^2+c/r^4+.....to infint...
Просмотров 146 месяцев назад
If x=a a/r a/r^2 ......to infinity. y=b-b/r b/r^2 .......to infintyz=c c/r^2 c/r^4 .....to infint...
If x=∞Σn=0 cos2nϕ,y=∞Σn=0 sin2nϕandz=∞Σn=0 cos2nϕ.sin2nϕ, where 0ϕπ2 then prove that, xy+z=xyz.3:14If x=∞Σn=0 cos2nϕ,y=∞Σn=0 sin2nϕandz=∞Σn=0 cos2nϕ.sin2nϕ, where 0ϕπ2 then prove that, xy+z=xyz.
If x=∞Σn=0 cos2nϕ,y=∞Σn=0 sin2nϕandz=∞Σn=0 cos2nϕ.sin2nϕ, where 0ϕπ2 then prove that, xy+z=xyz.
Просмотров 46 месяцев назад
If x=∞Σn=0 cos2nϕ,y=∞Σn=0 sin2nϕandz=∞Σn=0 cos2nϕ.sin2nϕ, where 0ϕπ2 then prove that, xy z=xyz.
Find the modulus and argument of the following complex number and convert them in polar form: i−1...5:59Find the modulus and argument of the following complex number and convert them in polar form: i−1...
Find the modulus and argument of the following complex number and convert them in polar form: i−1...
Просмотров 96 месяцев назад
Find the modulus and argument of the following complex number and convert them in polar form: i−1...
Find the modulus and argument of the complex number 1+2i1−3i3:47Find the modulus and argument of the complex number 1+2i1−3i
Find the modulus and argument of the complex number 1+2i1−3i
Просмотров 86 месяцев назад
How to solve? Q.Find the modulus and argument of the complex number 1 2i1−3i CH- (Complex numbers) | IMPORTANT QUESTIONS
If z and w are two complex numbers such that |zw|=1 and arg(z)−arg(w)=π/2, then show that ¯zw=−i.3:07If z and w are two complex numbers such that |zw|=1 and arg(z)−arg(w)=π/2, then show that ¯zw=−i.
If z and w are two complex numbers such that |zw|=1 and arg(z)−arg(w)=π/2, then show that ¯zw=−i.
Просмотров 116 месяцев назад
How to solve? Q.If z and w are two complex numbers such that |zw|=1 and arg(z)−arg(w)=π/2, then show that ¯zw=−i. CH- (Complex Numbers) | IMPORTANT QUESTIONS
If |x| 1 and |y| 1, then the sum of infinity of the series (x+y)+(x2+xy+y2)+(x3+x2y+xy2+y3)...3:11If |x| 1 and |y| 1, then the sum of infinity of the series (x+y)+(x2+xy+y2)+(x3+x2y+xy2+y3)...
If |x| 1 and |y| 1, then the sum of infinity of the series (x+y)+(x2+xy+y2)+(x3+x2y+xy2+y3)...
Просмотров 166 месяцев назад
How to solve? Q.If |x| is greater than 1 and |y| is greater than 1, then the sum of infinity of the series (x y) (x2 xy y2) (x3 x2y xy2 y3) ..... to ∞ is CH- (Geometric Progressions) | IMPORTANT QUESTIONS
The sum of infinite G.P is 6. If the first term is 2, its common ratio.1:16The sum of infinite G.P is 6. If the first term is 2, its common ratio.
The sum of infinite G.P is 6. If the first term is 2, its common ratio.
Просмотров 116 месяцев назад
How to solve? Q.The sum of infinite G.P is 6. If the first term is 2, its common ratio. CH- (Geometric Progressions) | IMPORTANT QUESTIONS
Three numbers whose sum is 15 are in A.P. If 1,4,19 be added to them respectively, then they are....2:37Three numbers whose sum is 15 are in A.P. If 1,4,19 be added to them respectively, then they are....
Three numbers whose sum is 15 are in A.P. If 1,4,19 be added to them respectively, then they are....
Просмотров 186 месяцев назад
Three numbers whose sum is 15 are in A.P. If 1,4,19 be added to them respectively, then they are....
The inventor of the chess board suggested a reward of one gram of wheat for the first square, 2...1:38The inventor of the chess board suggested a reward of one gram of wheat for the first square, 2...
The inventor of the chess board suggested a reward of one gram of wheat for the first square, 2...
Просмотров 136 месяцев назад
The inventor of the chess board suggested a reward of one gram of wheat for the first square, 2...
If each term of an infinite G.P. is twice the sum of the terms following it, then the common ratio..1:48If each term of an infinite G.P. is twice the sum of the terms following it, then the common ratio..
If each term of an infinite G.P. is twice the sum of the terms following it, then the common ratio..
Просмотров 406 месяцев назад
If each term of an infinite G.P. is twice the sum of the terms following it, then the common ratio..
which is the rational number having the decimal expansion 0.¯¯3561:29which is the rational number having the decimal expansion 0.¯¯356
which is the rational number having the decimal expansion 0.¯¯356
Просмотров 226 месяцев назад
which is the rational number having the decimal expansion 0.¯¯356
If x=1+a+a2+a3+... and y=1+b+b2+b3+...., then show that 1+ab+a2b2+a3b3+...=xy/x+y−12:14If x=1+a+a2+a3+... and y=1+b+b2+b3+...., then show that 1+ab+a2b2+a3b3+...=xy/x+y−1
If x=1+a+a2+a3+... and y=1+b+b2+b3+...., then show that 1+ab+a2b2+a3b3+...=xy/x+y−1
Просмотров 56 месяцев назад
If x=1 a a2 a3 ... and y=1 b b2 b3 ...., then show that 1 ab a2b2 a3b3 ...=xy/x y−1
Find the sum of an infinitely decreasing G.P., whose first term is equal to b+2 and the common...4:42Find the sum of an infinitely decreasing G.P., whose first term is equal to b+2 and the common...
Find the sum of an infinitely decreasing G.P., whose first term is equal to b+2 and the common...
Просмотров 206 месяцев назад
Find the sum of an infinitely decreasing G.P., whose first term is equal to b 2 and the common...
For any complex number z prove that |Re(z)|+|Im(z)|≤√2|z|3:06For any complex number z prove that |Re(z)|+|Im(z)|≤√2|z|
For any complex number z prove that |Re(z)|+|Im(z)|≤√2|z|
Просмотров 786 месяцев назад
For any complex number z prove that |Re(z)| |Im(z)|≤√2|z|
If A=1+ra+r2a+ to ∞andB=1+rb+r2b+∞ , prove that r=(A−1A)1/a=(B−1B)1/b1:58If A=1+ra+r2a+ to ∞andB=1+rb+r2b+∞ , prove that r=(A−1A)1/a=(B−1B)1/b
If A=1+ra+r2a+ to ∞andB=1+rb+r2b+∞ , prove that r=(A−1A)1/a=(B−1B)1/b
Просмотров 76 месяцев назад
If A=1 ra r2a to ∞andB=1 rb r2b ∞ , prove that r=(A−1A)1/a=(B−1B)1/b
If p, q, r are in AP then prove that pth, qth and rth terms of any GP are in GP.3:11If p, q, r are in AP then prove that pth, qth and rth terms of any GP are in GP.
If p, q, r are in AP then prove that pth, qth and rth terms of any GP are in GP.
Просмотров 126 месяцев назад
If p, q, r are in AP then prove that pth, qth and rth terms of any GP are in GP.
The sum of an infinite GP is 8, its second term is 2, find its first term.1:38The sum of an infinite GP is 8, its second term is 2, find its first term.
The sum of an infinite GP is 8, its second term is 2, find its first term.
Просмотров 286 месяцев назад
The sum of an infinite GP is 8, its second term is 2, find its first term.

Комментарии

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    @m.vsubrahmanyam9800 4 часа назад

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    Please can you make one more video of top colleges of architecture of 2024 Hyderabad

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    Hindi medium ke batao

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    @amberlind6160 27 дней назад

    don’t send ur kids to apopka middle school the school is known for fights,drugs from students and etc

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    @user-qr4hc8rd2m 28 дней назад

    ma city school ma parti ho

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    @anildalawai6403 28 дней назад

    Only tungal school, sai sankalp, gnyan gangotri are best schools