If xϵ[0,π]and `81^(sin^(2)x)+81^(cos^(2)x)=30`,then find number of value of x satisfy the given equation.

Find the number or real values of x satisfying the equation 9^(2log_(9)x)+4x+3=0 .

If 2sin^(2)x-3=3 cosx and 90^(@) lt x lt 270^(@) , the number of values that satisfy the equation 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

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

Statement I The curve y=81^(sin^(2)x)+81^(cos^(2)x)-30 intersects X-axis at eight points in the region -pi le x le pi . Statement II The curve y=sinx or y=cos x intersects the X-axis at infinitely many points.

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

The number of values of x in the interval [0,5pi] satisfying the equation 3sin^2x-7sinx+2=0 is

The number of real values of x satisfying the equation 3 sin^(-1)x +pi x-pi=0 is/are :

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