Home
Class 11
MATHS
If sinx, sin^22x and cos x. sin4x form ...

If `sinx, sin^22x and cos x. sin4x` form an increasing geometric sequence, find the numerical value of `cos2x`. Also find the common ratio of geometric sequence.

Promotional Banner

Similar Questions

Explore conceptually related problems

Find the value of 8sin2x.cos4x.sin6x , when x=15^(@)

If sin x+cos x=a, find the value of |sin x-cos x|

Find the value of X if sinx +sin7x =sin4x

If 0 lt x lt pi/4 and cos x+sin x=5/4 , find the numerical value of (4(cos x- sin x))/sqrt(7) , is

If 0 lt x lt pi/4 and cos x+sin x=5/4 , find the numerical value of (4(cos x- sin x))/sqrt(7) , is

If 0 lt x lt pi/4 and cos x+sin x=5/4 , find the numerical value of (4(cos x- sin x))/sqrt(7) , is

Find the extreme values of 11 cos^(2) x+ 15 sin x cos x- 9 sin^(2) x .

Find the minimum and maximum values of sin2x-cos2x

Find the minimum and maximum values of sin2x-cos2x

If 2cos x+sin x=1, then find the value of 7cos x+6sin x