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Mathematics
Mathematics
Problem
Find
θ
\theta
θ
for
0
≤
θ
≤
2
π
0 \le \theta \le 2\pi
0
≤
θ
≤
2
π
if: a. a**
cos
θ
=
−
1
\cos \theta = -1
cos
θ
=
−
1
b.
b
sin
2
θ
=
3
4
\sin^2 \theta = \frac{3}{4}
sin
2
θ
=
4
3
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