" (i) "(cos A+cos B)/(sin A-sin B)+(sin A+sin B)/(cos A-cos B)=0

([((cos A+cos B)/(sin A-sin B))^(n)+((sin A+sin B)/(cos A-cos B))^(n) when n is odd,is -

((cos A+cos B)/(sin A-sin B))^(2007)+((sin A+sin B)/(cos A-cos B))^(2007)=

If n is an odd integer than ((cos A + cos B)/( sin A - sin B))^(n) + ((sin A + sin B)/(cos A- cos B))^(n)=

if ( cos A + cos B )/( sin A + sin B ) = k ( (sin A - sin B)/ ( cos A- cos B)) then k is

Show that (1+sin A)/(cos A)+(cos B)/(1-sin B)=(2sin A-2sin B)/(sin(A-B)+cos A-cos B)

Show that (1+ sin A)/(cosA)+( cos B)/(1- sin B)=(2 (sin A- sin B))/(sin (A-B)+ cos A-cos B)

((cos A + cos B) / (sin A-sin B)) ^ (20115) + ((sin A + sin B) / (cos A-cos B)) ^ (2015) =

The value of ((cos A + coa B)/( sin A - sin B)) ^(2015) + ((sin A + sin B)/( cos A - cos B)) ^(2015) =

Prove that (1 + sin A) / (cos A) + (cos B) / (1-sin B) = (2sin A-2sin B) / (sin (AB) + cos A-cos B)