OpenStax, Algebra and Trigonometry 2e §7.3 Unit Circle · Exercise 97 · Trigonometry · Unit circle

Unit Circle · Exercise 97

Evaluate.

$cos (\frac{- π}{3}) cos (\frac{π}{4})$

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OpenStax, Algebra and Trigonometry 2e · §7.3 Unit Circle · Exercise 97

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