Question

If x = 30 degree without using tables verify that sin 2x = 2tanx/1+ tan^2 x
pls this is serious dont spam i want the correct answer

Answer 1

Answer:

solution:-

sin2×30=2tan30/1+tan^2×30

sin60=2×2/root3+1/3

root3/2=root3/2

hence proover