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# Trigonometric Equations Using the Quadratic Formula

## The quadratic formula with a trigonometric function in place of the variable.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Trigonometric Equations Using the Quadratic Formula

Examples of solving trigonometric equations using the quadratic formula

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## Solving Trigonometric Equations Using the Quadratic Formula

Solves a trigonometric equation by using the quadratic formula.

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