Answer:
-3
Step-by-step explanation:
Answer:
I am truly sorry
Step-by-step explanation:
Answer: Option d.
Step-by-step explanation:
The trigonometric identity needed is:

Knowing that
:
Substitute it into
:

Simplify the expression:

Solve for
. Apply square root at both sides of the expression:


The answer is 7 1/4
Or 29/4 as an improper fraction