I will get you started.
Let sin x = u
Then 7sin^2x -14sinx+2=-5 become
7u^2 - 14u = - 5
7u^2 - 14u + 5 = 0
Steps:
1. Solve for u.
2. Back- substitute for u.
3. Take the arcsin on both sides to find the angle(s).
You finish.
Answer:
im really sorry if i'm wrong i think it is d or c but im pretty sure it is D
Step-by-step explanation:
It would be false to have the same sign.
153.86 is the answer :) you’re welcome.
(5raise to power 5)÷(4)=3125/4)
