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Mathematics
Mathematics
Problem
Find all angles between
0
0
0
and
4
π
4\pi
4
π
with: a. a cosine of
3
2
\frac{\sqrt{3}}{2}
2
3
b. a sine of
−
1
2
-\frac{1}{2}
−
2
1
c. a sine of
−
1
-1
−
1
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