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Home SAT Subject Test in Math I Practice Trigonometric Identities

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Trigonometric Identities Practice Test

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Q1

Simplify the expression $\frac{\sin x}{1 + \cos x}$ + $\frac{1 + \cos x}{\sin x}$ .

If $\sin \beta = $\frac{3}{5}$$ and $0 < \beta < $\frac{\pi}{2}$$ , evaluate $\cos 2\beta$ .

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