Algebra 3 Quiz
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INTRODUCTORY TRIGONOMETRY
Question 1
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Find the exact value of
cos
5
π
6
sin
4
π
3
\cos\frac{5\pi}{6}\sin\frac{4\pi}{3}
cos
6
5
π
sin
3
4
π
.
A
−
3
4
-\frac{3}{4}
−
4
3
B
−
1
4
-\frac{1}{4}
−
4
1
C
1
4
\frac{1}{4}
4
1
D
3
4
\frac{3}{4}
4
3
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