Question

If A=45•
sin 2A = 2 sin A cos A

verify that......​

Answer 1

sin 2A=sin 90=1

2 sin A cos A=2×(1/root 2)×(1/root 2)=1

So LHS=RHS

Answer 2

Answer:If A = 45° , verify that : sin 2A = 2 sin A cos A

If A = 45° , verify that : sin 2A = 2 sin A cos AChapter6,T-Ratios of particular angles Exercise -6 ,Page number 289"