MediumInverse functions

OpenStax, Algebra and Trigonometry 2e §8.3 Inverse Trigonometric Functions · Exercise 143 · Trigonometry · Inverse functions

Inverse Trigonometric Functions · Exercise 143

Find the exact value.

$co s^{- 1} (t an (\frac{7 π}{4}))$

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OpenStax, Algebra and Trigonometry 2e · §8.3 Inverse Trigonometric Functions · Exercise 143

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