Answer:
a. 9 b.36 c. 100 d. 13689
x = 6.5
Step-by-step explanation:
1.
I am assuming you want to simplify this.
cos^2 x + sin^2 x = 1 and
csc^2 x = 1 + cot^2 x so csc^2x - cot^2 x = 1
So the answer is 1/1 = 1.
