OpenStax, Algebra and Trigonometry 2e §8.3 Inverse Trigonometric Functions · Exercise 35 · Trigonometry · Inverse functions

Inverse Trigonometric Functions · Exercise 35

Find the exact value, if possible, without a calculator. If it is not possible, explain why.

$cos (t a n^{- 1} (\frac{12}{5}))$

~8 minAnswer checked instantly

OpenStax, Algebra and Trigonometry 2e · §8.3 Inverse Trigonometric Functions · Exercise 35

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Checked against the answer in OpenStax, Algebra and Trigonometry 2e.