Question

Q1. Value of (sin A+sin3A)/(
COSA+COS 3A) =​

Answer 1

$\frac{ \sin(A) + 3\sin(A) }{ \cos(A) + 3 \cos(A) } \\ \\ = > \frac{4 \sin(A) }{4 \cos(A) } = \frac{ \sin(A) }{ \cos(A) }$

$= > \tan(A)$

Mark as Brainliest....