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:
Answer:d
D. 9 and 46/180
Step-by-step explanation:
Answer:
k + 8 = y
17 < 9(x)
4(x²-8)
Step-by-step explanation:
i hope it helps
Answer:
The 1rst from top
Step-by-step explanation:
That is a formula to find an area.
