Question

PLEASE HELP!

I BELIVE ITS SINE BUT I NEED A SECOND OPINON
IM SO CONFUSED!! DUE SOON PLEASE HELP BEEN STUCK ON THIS FOREVER!
QUESTION DOWN BELOW!
MANY THANK!!

Answer 1

Answer: The correct answer is (#1) the cosine law only.

Explanation: Confirmed correct.

Answer 2

You're answer is (A) The cosine law only

What is the cosine law?

Law of cosines signifies the relation between the lengths of sides of a triangle with respect to the cosine of its angle.