Use reference angles to find the exact value of the following expression. Do not use a calculator. sin (- 135°) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. sin (- 135°) = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions denominator.) B. The answer is undefined.
Use reference angles to find the exact value of the following expression. Do not use a calculator. sin (- 135°) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. sin (- 135°) = (Simplify your answer. Type an exact answer, using radicals as needed. Use integers or fractions denominator.) B. The answer is undefined.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter7: Analytic Trigonometry
Section7.2: Addition And Subtraction Formulas
Problem 1E: If we know the values of the sine and cosine of x and y, we can find the value of sin(x+y) by using...
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