If `2cos^2(pi+x)+3 sin(pi+x)` vanishes then the values of x lying in the interval from 0 to `2pi` are

If sin5x+sin3x+sinx = 0 , the value of x other than 0, lying in the interval [0,pi//2] is

If log_(cos x)sin x>=2 and x in[0,3 pi] then sin x lies in the interval

If sin(x-y)-cos(x+y)=(1)/(2) then the values of x&y lying between 0 and pi are given by

Number of solutions of the equation tan x+sec x=2cos x lying in the interval [0,2 pi] is

If sin(x-y)=cos(x+y)=1/2 , then the value of x and y lying between 0 and pi are given by :

cos(2pi -x) cos (-x) - sin(2pi +x) sin (-x) = 0

The number of solutions of the equation tan x +sec x = 2 cos x lying in the interval [0, 2 pi] is

If x in [0. (pi)/(2)], y in [0, (pi)/(2)] and sin x + cos y =2, then the value of x+y is equal to........ A) 2pi B) pi C) pi/4 D) pi/2