OpenStax, Algebra and Trigonometry 2e §8.1 Graphs of the Sine and Cosine Functions · Exercise 39 · Trigonometry · Graphs of trig functions

Graphs of the Sine and Cosine Functions · Exercise 39

Let $f (x) = cos x .$

On $[0, 2 π),$ solve $f (x) = \frac{1}{2} .$

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OpenStax, Algebra and Trigonometry 2e · §8.1 Graphs of the Sine and Cosine Functions · Exercise 39

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