Question

PLEASE HELP ME IBEG ANYBODY PLEASE :(

Answer 1

1)
csc Ф=hypotenuse / opposite=15/9=5/3

Answer: csc Ф=5/3

2)
answer: the side CT is the hypotenuse because it is in front of the right angle.

3)
cotan Ф=adjacent/ opposite=12/9=4/3

answer: cotan Ф=4/3

4)
sin (-360º)=sin (0º+(-1)(360º)=sin 0º=0

Answer: sin (-360)=0

5)
cos (-90º)= cos (90º)=0=0

answer: cos (-90º)=0