Question

Really need help with 7) and 8)
PLEASE HELP!!!

(30 points)

Answer 1

Apply trigonometric function for triangle ABC:

7.

sin A = BC/BA = 6/7.2 = 0.83

A = arcsin(0.83) = 56.44

8.

tan B = AC/BC = 4/6 = 0.67

B = arctan(0.67) = 33.69 deg

Hope this helps!

:)