Question

Cos and Sin question?

1. cos A = .7986, find angle A
a) 79 degrees
b) 38 degrees
c) 53 degrees
d) 37 degrees

I got answer D. Is that right?

2. tan R = 4.0108, find angle R
a) 76 degrees
b) 14 degrees
c) 4 degrees
d) 90 degrees

I got answer A. Is that correct?

Thank you :)

Answer 1

All is right :)

Answer 2

thank you :)

Answer 3

you're welcome :)