Trigonometry - Exact Trigonometric Values and the Unit Circle
Trigonometry - Exact Trigonometric Values and the Unit Circle
Without using a calculator, find the exact value of each of the following.
- \(\frac{\sin \tfrac{\pi}{4}}{\cos \tfrac{\pi}{3}}\)
- \(\frac{\tan \tfrac{\pi}{4} \cos \tfrac{\pi}{3}}{\sin \tfrac{\pi}{4} - \tan \tfrac{\pi}{6}}\)
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Answer:(a) sqrt(2); (b) [3sqrt(2)+2sqrt(3)]/2.
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