Find the values of x, `(-pi lt x lt pi, x ne 0)` satisfying the equation , `8^(1+|cos x|+|cos^(2)x|+…oo) = 4^(3)`

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

Find the values of alpha and beta[ 0 lt alpha, beta lt (pi)/(2)] satisfying the equation cos alpha cos beta cos (alpha+ beta)=-(1)/(8)

The values of x_1 between 0 and 2pi , satisfying the equation cos3x+cos2x=sin(3x)/2+sinx/2 are

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}

In 0 lt x lt 2pi , the no of solution (s) of the equation sin^3 x + cos^3 x = 0 is

If - pi/2 lt x lt pi/2 , then the range of the function f(x)=cos [x] is

Find the values of x which satisfy the inequality -3 lt 2x -1 lt 19 .

The number of values of x in [0 , 4pi] satisfying abs(sqrt3 cos x - sin x) ge 2 , is

If 0 lt x lt pi/2 , show that, sin x lt x lt tan x

Let, f:[0,4pi]to[0,pi] be defined by f(x)=cos^(-1)(cosx) . The number of points x in[0,4pi] satisfying the equation f(x)=(10-x)/(10)