Let `S sub (0,pi)` denote the set of values of x satisfying the equation `8^(1+|cos x|+cos^2x+|cos^3x|+...." to " oo)=4^3` Then, S =

Let Ssub(0,pi) denote the set of values of x satisfying the equation 8^1+|cos x|+cos^2x+|cos^(3x| tooo)=4^3 . Then, S= {pi//3} b. {pi//3,""2pi//3} c. {-pi//3,""2pi//3} d. {pi//3,""2pi//3}

Let Ssub(0,pi) denote the set of values of x satisfying the equation 8^1+|cos x|+cos^2x+|cos^(3x| tooo)=4^3 . Then, S= {pi//3} b. {pi//3,""2pi//3} c. {-pi//3,""2pi//3} d. {pi//3,""2pi//3}

Find the values of x in (-pi,pi) which satisfy the equation 8^(1+|cosx|+|cos^2x|+|cos^3x|+...))=4^3

The value of x satisfying the equation cos^(-1)3x+sin^(-1)2x=pi is

Find the value of x satisfying the equation 2cos^(-1)(1-x)-3cos^(-1)x=pi

The number of values of x in [0,2pi] satisfying the equation |cos x – sin x| >= sqrt2 is

Number of values of x satisfying the equation cos ( 3 arc cos ( x-1)) = 0 is equal to

Find the number of value of x in [0,5pi] satisying the equation 3 cos^2 x -10 cos x +7=0

Samllest positive angle satisfying the equation cos^(2)x+cos^(2) 2x+cos^(2)3x=1 , is

If 0 le x le 2pi , then the number of real values of x, which satisfy the equation cos x + cos 2x + cos 3x + cos 4x=0 , is