Question

Can anyone please help me solve it11,12 (1)(2)(3),13 this is all​

Answer 1

Answer:

answer of 11

Step-by-step explanation:

given A=30°

R.H.S=2sinA cosA

=2 * sin30° * cos30°

$2 \times \frac{1}{2} \times \frac{ \sqrt{3} }{2}$

$= \frac{ \sqrt{3} }{2}$

=sin60°

sin 2*30°

=sin2A

L.H.S=R.H.S