Exercises 101-103 will help you prepare for the material covered in the next section. Use the appropriate values from Exercise 101 to answer each of the following. a. Is sin ( 30 ∘ + 60 ∘ ) , or sin 90 ∘ , equal to sin 30 ∘ + sin 60 ∘ ? b. Is sin ( 30 ∘ + 60 ∘ ) , or sin 90 ∘ , equal to sin 30 ∘ cos 60 ∘ + cos 30 ∘ sin 60 ∘ ?
Exercises 101-103 will help you prepare for the material covered in the next section. Use the appropriate values from Exercise 101 to answer each of the following. a. Is sin ( 30 ∘ + 60 ∘ ) , or sin 90 ∘ , equal to sin 30 ∘ + sin 60 ∘ ? b. Is sin ( 30 ∘ + 60 ∘ ) , or sin 90 ∘ , equal to sin 30 ∘ cos 60 ∘ + cos 30 ∘ sin 60 ∘ ?
Solution Summary: The author explains that the left side of the given expression is not equal to the right side.
Determine whether the statement, tan2 15° - sec2 15° = -1, is true or false. If the statement is false, make the necessary change(s) to produce a true statement.
Find the exact value of sin 7π/12 using the fact that 7π/12 = π/3 + π/4.
Chapter 5 Solutions
MyLab Math with Pearson eText -- Standalone Access Card -- for Precalculus (6th Edition)
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