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    Trigonometry Study Set 1
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    Exam 5: Trigonometric Identities
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    Tell Whether the Statement Is True or False
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Tell Whether the Statement Is True or False

Question 73

Question 73

Multiple Choice

Tell whether the statement is true or false.
-cos (ϴ + 90°)


A) -cos ϴ
B) -sin ϴ
C) cos ϴ
D) sin ϴ

Correct Answer:

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