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Answers AL-Precalculus Unit TestQuestion 15

15

QuizMultiple Choice

Unit Test

Question 15 of 25 • AL-Precalculus

Which expression is equivalent to (1 + cos(x))2?

Question illustration

Answer

A

sin(x)

B

1 – cos(x)

C

1 – cos2(x)

D

(1 + cos(x))(sin(x))

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Unit Test - Question 15 | AL-Precalculus | Revolt