Mathematics Trigonometry Trigonometric Functions

\(\dfrac{\sin 7x + 6 \sin 5x + 17 \sin 3x + 12 \sin x}{\sin 6x + 5 \sin 4x + 12 \sin 2x}\) equals:

1

sin x

2

2 sin x

3

cos x

4

2 cos x

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