Question

4cos(60+A).sin(30+A).cosA=cos3A. prove that plz solve this i promise i will mark as brainlist. also follow u. guys​

Answer 1

Answer:

Step-by-step explanation:

Solved.....in the attached pic

Answer 2

Answer:

$<marquee bgcolor=black scrollamount=1300><fontcolor=yellow>$ see the attachment