" The number of pairs "(x,y)" such that "cos x sin y=1,0<=x,y<=2 pi" is "

If y!=0 then the number of values of the pair "(x,y)" such that x+y+(x)/(v)=(1)/(2) and " (x+y)(x)/(y)=-(1)/(2) is

If y=0 then the number of values of the pair (x, y) such that x+y+x/y=1/2 and (x+y)x/y= -1/2 is:

Consider the system in ordered pairs (x,y) of real numbers sin x+sin y=sin(x+y) , |x|+|y|=1 . The number of ordered pairs (x,y) satisfying the system is

Total number of ordered pairs (x,y) satisfying Iyl=cos x and y=sin^(-1)(sin x) where |x|<=3 pi is equal to

2.The number of ordered pair(s) (x,y) satisfying y=2sin x and y=5x^(2)+2x+3 is equal to- (1)0(2)1(3)2(4)oo

Find the number of solutions of (x,y) which satisfy |y|=cos x and y=sin^(-1)(sin x), where |x|<=3 pi

Total number of ordered pairs (x, y) satisfying |y| = cos x and y = sin^(-1)(sin x) where |x| le 3 pi, is equal to :