OpenStax, Algebra and Trigonometry 2e §9.5 Solving Trigonometric Equations · Exercise 43 · Trigonometry · Identities

Solving Trigonometric Equations · Exercise 43

Solve exactly on the interval $[0, 2 π) .$ Use the quadratic formula if the equations do not factor.

$s i n^{2} x - 2 s in x - 4 = 0$

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OpenStax, Algebra and Trigonometry 2e · §9.5 Solving Trigonometric Equations · Exercise 43

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