evaluate sin2(15+A)-sin2(15-A) Share with your friends Share 3 Himanshu answered this 3 View Full Answer Priyansh Jain answered this sin2(15+A)-sin2(15-A)We kown that sin2a - sin2b =sin(a+b) sin(a-b)therefore, Sin ( 15 +A +15 - A ) . Sin ( 15 + A -15 +A )Sin 30 . Sin 2A1/2Sin2A -1
