Answer:
The answer is C because they have the same coefficient and variable on both sides (or something like that but its definitely c )
Hi there!
To solve, we must use the following trig identity:
sin(u - v) = sin(u)cos(v) - sin(v)cos(u)
We can rewrite the left hand side of the equation as:

Split the fraction:

First fraction reduces to 1:

Simpify each with common arguments:

Answer:
y=9; z=16
Step-by-step explanation: