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# Finding Trigonometric Function Values Using a Calculator

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In this lesson, we will learn how to find trigonometric function values using a calculator. We perform this action by setting our calculator to degree mode, then selecting our appropriate trigonometric function followed by the angle measure in degrees. In most cases, our calculators only have sin, cos, and tan keys. We can use our reciprocal identities to find the remaining trigonometric functions. Additionally, we will learn how to use inverse trigonometric functions to find missing angle measures.

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