In Exercises 1-2, use the given function value(s) and the trigonometric identities to find the exact value

Question:

In Exercises 1-2, use the given function value(s) and the trigonometric identities to find the exact value of each indicated trigonometric function.
1. sin 60o = √3 / 2, cos 60o = 1/2
a. sin 30o
b. cos 30o
c. tan 360o
d. cot 60o
2. sin 30o = 1/2, tan 30o = √3 / 3
a. csc 30o
b. cot 60o
c. cos 30o
d. cot 30o