Question

Help me in finding the answer​

Answer 1

here is your answer-
sin60°=2cot30°/sec60°
√3/2=2√3/2
√3/2=√3
question is not complete

Answer 2

$\huge\underline{Answer}$

Substitute theta=30°

LHS=sin(2×30)=sin60=√3/2

RHS=2×cot30/sec(2×30)

=2√3/2=√3

$<marquee>Looks like some default is there in the questions</marquee>$

-_-