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

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

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

Find the area bounded by the curves y=(sin^(-1)(sin x)+cos^(-1)(cos x)) and y=(sin^(-1)(sin x)+cos^(-1)(cos x))^(2) for 0<=x<=2 pi

If (cos^(4)x)/(cos^(2)y)+(sin^(4)x)/(sin^(2)y)=1 , then (cos^(4)y)/(cos^(2)x)+(sin^(4)y)/(sin^(2)y) equal :

If (sin x) (sin y) = 1, then (cos x) (cos y) =?

If (cos ^ (4) x) / (cos ^ (2) y) + (sin ^ (4) x) / (sin ^ (2) y) = 1 then prove that (cos ^ (4) y) / (cos ^ (2) x) + (sin ^ (4) y) / (sin ^ (2) x) = 1

Draw the graph of following function y = cos ^ (- 1) (cos x) y = sin ^ (- 1) (sin x) y = cos (cos ^ (- 1) x) y = sin (sin ^ (- 1) x)