Question: Problems 68 77. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for

Problems 68 – 77. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for later sections, a final exam, or subsequent courses such as calculus.

Give exact values for sin 75° and cos 15°.

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To find the exact values of sin 75 and cos 15 we can use the trigonometric sum and ... View full answer

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