OpenStax, Algebra and Trigonometry 2e §9.5 Solving Trigonometric Equations · Example 9 · Trigonometry · Identities

Using a Calculator to Solve a Trigonometric Equation Involving Secant

Use a calculator to solve the equation $sec θ = - 4,$ giving your answer in radians.

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OpenStax, Algebra and Trigonometry 2e · §9.5 Solving Trigonometric Equations · Example 9

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