` sinA+sinB= r3 (cosB−cosA). `Find the value of `sin3A+sin3B`

If cosA=0.6 , find the value of 5sinA-3tan A.

If sinA=cosA,then find the value of sin 2A.

If sinA=sin B and cosA=cosB , then find the value of A in terms of Bdot

Suppose A and B are two angles such that A , B in (0,pi) and satisfy sinA+sinB=1 and cosA+cosB=0. Then the value of 12cos2A+4cos2B is____

Suppose A and B are two angles such that A , B in (0,pi) and satisfy sinA+sinB=1 and cosA+cosB=0. Then the value of 12cos2A+4cos2B is____

i) If sinA+sinB=sqrt(3)(cosB-cosA) , prove that: sin3A+sin3B=0 ii) If A,B and C are in arithmetic progression, then prove that: cotB=(sinA-sinc)/(cosC-cosA)

If sinA=4/5 and cosB=5/13, find the value of the following : "sin"(A+B)

If A+B=90^@ and cosB=3/5 , what is the value of sinA ?

If sinA+sinB=sqrt3(cosB-cosA),then sin3A+sin3B=

In a triangle ABC, 3sinA + 4cosB = 6 and 4sinB + 3cosA = 1. Find the measure of angle C.