Question

15 Points, please help!


1. What is sin B?

[SEE ATTACHMENT]


A. 3/4

B. 4/5

C. 4/3

D. 3/5


2. What is cos B?

[SEE SAME ATTACHMENT]

A. 3/4

B. 4/5

C. 4/3

D. 3/5

Answer 1

sin=opposite/hypotenuse
The opposite of B is 3 and the hypotenuse is 5.
Therefore the answer for 1 is D 3/5.

cos=adjacent/hypotenuse
The adjacent of B is 4 and the hypotenuse is 5.
Therefore the answer for 2 is B 4/5.