If cos(2sin^(-1)x)=1/9, then find the va...

If `cos(2sin^(-1)x)=1/9,` then find the values of `xdot`

A

Only `(2)/(3)`

B

Only `(-2)/(3)`

C

`(2)/(3),(-2)/(3)`

D

Neither `(2)/(3)` nor `(-2)/(3)`

Verified by Experts

The correct Answer is:

C

Similar Questions

Explore conceptually related problems

Let cos(2 tan^(-1) x)=1/2 then the value of x is

If tan(cos^(-1) x) = sin (cot^(-1)( (1)/(2))) , then find the value of x

If sin(sin^-1(frac{1}{5})+cos^-1x) = 1 then find the value of x

If sinx+sin^2x=1 , then find the value of cos^(12)x +3cos^(10)x + 3 cos^8x + cos^6x-1

If sin^(-1)x=pi/5 for some x in (-1,1), then find the value of cos^(-1)xdot

If sin^-1(1-x)-2sin^-1x = frac{pi}{2} then find the value of x

If cos x+ cos ^(2) x=1,. then the value of sin ^(2) x+ sin ^(4) x is

If sin x + sin ^(2) x=1, then the value of cos ^(12) x+3 cos ^(10) x+3 cos ^(8) x + cos ^(6) x-2 is equal to ............. A) 0 B) 1 C) -1 D) 2

If "sin"^(-1)(1)/(3)+"sin"^(-1)(2)/(3)=sin^(-1)x , then the value of x is