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Mathematics
Mathematics
Problem
Simplify
sin
7
θ
−
sin
5
θ
+
sin
3
θ
−
sin
θ
\sin7\theta-\sin5\theta+\sin3\theta-\sin\theta
sin
7
θ
−
sin
5
θ
+
sin
3
θ
−
sin
θ
and choose the correct product form. a)
2
sin
θ
cos
4
θ
2\sin\theta\,\cos4\theta
2
sin
θ
cos
4
θ
b)
4
sin
θ
cos
2
θ
cos
4
θ
4\sin\theta\,\cos2\theta\,\cos4\theta
4
sin
θ
cos
2
θ
cos
4
θ
c)
4
cos
θ
sin
2
θ
cos
4
θ
4\cos\theta\,\sin2\theta\,\cos4\theta
4
cos
θ
sin
2
θ
cos
4
θ
d)
2
cos
θ
sin
4
θ
2\cos\theta\,\sin4\theta
2
cos
θ
sin
4
θ
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