Question

can anybody please answer this

Answer 1

take LHS
tan(2×30)
tan60
=root3
take RHS
2tan30/ 1-tan^2 30
2(1/root3)/ 1-(1/root3)^2
2/root3/ 1 - 1/3
2/root3/2/3
3×2/2root3
3/root3
=root3
LHS =RHS =root3 is answer

Answer 2

$\tan( 2 \times 30)$