What is the answer for 2sin^2(theta/4)=12sin2(θ4)=1?
I understand the answer key up to sin(theta/4)=-1/sqrt(2)sin(θ4)=−1√2 .
Then, the next step is
theta/4=(5pi)/4θ4=5π4 .
How does that work?
I understand the answer key up to
Then, the next step is
How does that work?
1 Answer
Aug 2, 2017
The solutions are
Explanation:
The equation is
If,
Therefore,
Therefore,