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AssignmentMultiple Select
Angles and Trigonometric Functions
Question 1 • *25-26 KCS21 Precalculus IC
Which trigonometric expressions equal ? Check all that apply.
Answer
A
cos(120°)B
Sine (StartFraction 7 pi Over 6 EndFraction)
C
sin(–120°)D
Cosine (StartFraction 7 pi Over 6 EndFraction)
E
Cosine (negative StartFraction 10 pi Over 3 EndFraction)