Question

PLEASE HELP I will give MEDAL and FAN. Im solving trig equations... Still not completely sure how to do them. Picture attached below.

Answer 1

sinA = 1/2 V2 or sin A = V2 / 2 so, A = sin^-1 V2/2 or A = arc sin V2/2

Answer 2

Where did the V come from?

Answer 3

And how did you do that

Answer 4

I mean the V is symbol of root

Answer 5

And How do you get the degree from that?