[" Find the value of "],[((sin A+sin B)/(cos A+cos B)+(cos A-cos B)/(sin A-sin B))]

Prove that (sin A+sin B)/(cos A+cos B)+(cos A-cos B)/(sin A-sin B)=0

If A = 60 ^(@) and B = 30 ^(@) , find the value of (sin A cos B+ cos A sin B)^(2) + (cos A cos B - sin A sin B )^(2)

(sin A-sin B)/(cos A + cos B) is equal to

Prove each of the following identities : ((sin A - sin B))/((cos A + cos B)) + (( cos A - cos B))/((sin A + sin B)) =0

Prove that : (sin A - sin B)/ (cos A + cos B) + (cos A - cos B)/ (sin A + sin B) = 0

sin A-sin B and cos A + cos B

In a Delta ABC ,angle C=90^(@)and tan A=(1)/(sqrt(3)). find the values of : (i) (sin A*cos B+ cos A*sin B ) " " (ii) (cos A*cos B-sin A*sin B)

Find the value of cos 15^(@) using the relation cos (A - B) = cos A cos B + sin A sin B .

(cos A)/(sin B sin C)+(cos B)/(sin C sin A)+(cos C)/(sin A sin B)=2