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Mathematics
Mathematics
Problem
Simplify
sin
θ
−
sin
3
θ
cos
θ
−
cos
3
θ
\dfrac{\sin\theta-\sin^3\theta}{\cos\theta-\cos^3\theta}
cos
θ
−
cos
3
θ
sin
θ
−
sin
3
θ
and express your answer as a single trigonometric ratio.
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