Question

if A equals 30 degree prove that sin 2A equals 2 tan A by 1 plus tan square A​

Answer 1

Hey mate hope it helps you.

LHS : sin2A = sin60° = √3/2

RHS : 2tan30° / 1+ 1/3

= 2/√3 / 4/3 = √3/2

» LHS = RHS.

Hence proved...