[" 0.The value of the expression "],[qquad 1-(sin^(2)y)/(1+cos y)+(1+cos y)/(sin y)-(sin y)/(1-cos y)" is equal to "]

The value of the expression 1- (sin^(2)y)/(1+ cos y) + (1+ cos y)/(sin y) -(sin y)/(1- cos y) is

The value of the expression 1- (sin ^ (2) y) / (1 + cos y) + (1 + cos y) / (sin y) - (sin y) / (1-cos y) is equal to

1-(sin^(2)y)/(1+ cos y) + (1+ cosy)/( sin y) - (siny)/(1- cos y) =

The value of the expression 1- (sin^(2)y)/(1+ cos y) + (1+ cos y)/(sin y) -(sin y)/(1- cos y) is .................. A) 0 B) 1 C) sin y D) cos y

What ( sin x cos y + cos x sin y) (sin x cos y - cos x sin y) equal to ?

The value of (sin x cos y + cos x sin y)^2+(cos x cos y -sin x sin y)^2 is equal to

If x = sin^(-1)(sin 10) and y = cos^(-1)(cos 10) then y - x is equal to:

If x = sin^(-1)(sin 10) and y = cos^(-1)(cos 10) then y - x is equal to:

If sin^(4)x+cos^(4)y+2=4sin x cos y then the value of sin x+cos y is equal to

If sin x + sin y = (7) / (5) and cos x + cos y = (1) / (5) then sin (x + y) equal to