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Geometry

Proving Trigonometric Identities

Proving Trigonometric Identities

         

Which of the following expressions is equal to \[ \left( \sin{\theta} - \tan{\theta} \right) \left( \cos{\theta} - \cot{\theta} \right) ? \]

Which of the following expressions is equal to \[ \tan{\theta} \sin{\theta} + \cos{\theta} ? \]

Which of the following expressions is equal to \[ \tan^2{\theta} + \cot^2{\theta} ? \]

Which of the following is equal to \(\sin 2x?\)

Which of the following expressions is equal to \[ \tan^2{\theta} - \sin^2{\theta} ? \]

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