Write the following expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression. 2 sin 157.5° cos 157.5° Write the following expression as the sine, cosine, or tangent of a double angle. Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer. Type your answer in degrees. Use integers or decimals for any numbers in the expression.) OA. 2 sin 157.5° cos 157.5° cos B. 2 sin 157.5° cos 157.5° = tan C. 2 sin 157.5° cos 157.5° = sin The exact value of the given expression is (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize the denominator.)
Write the following expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression. 2 sin 157.5° cos 157.5° Write the following expression as the sine, cosine, or tangent of a double angle. Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer. Type your answer in degrees. Use integers or decimals for any numbers in the expression.) OA. 2 sin 157.5° cos 157.5° cos B. 2 sin 157.5° cos 157.5° = tan C. 2 sin 157.5° cos 157.5° = sin The exact value of the given expression is (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize the denominator.)
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter2: Right Triangle Trigonometry
Section2.1: Definition Ii: Right Triangle Trigonometry
Problem 37PS: Simplify each expression by first substituting values from the table of exact values and then...
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Transcribed Image Text:Write the following expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression.
2 sin 157.5° cos 157.5°
Write the following expression as the sine, cosine, or tangent of a double angle. Select the correct choice below and fill in the answer box to complete your choice.
(Simplify your answer. Type your answer in degrees. Use integers or decimals for any numbers in the expression.)
OA. 2 sin 157.5° cos 157.5° cos
B. 2 sin 157.5° cos 157.5° = tan
C. 2 sin 157.5° cos 157.5° = sin
The exact value of the given expression is
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize the denominator.)
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