Simply you can substitute theta=45 degrees (or any angle,not zero) in left hand side and right hand side.
or
using a^2 - b^2 =(a+b)(a-b)
= sin(2x+x)sin(2x-x)
= sin 3x sin x
Answer:
-3
Step-by-step explanation:
y=mx+b
Answer:
the answer is 1/2 and then 3/4
The slope of both lines will be the exact same.
hope this helps :)
