Answers Precalculus Solving Trigonometric Inequalities — Unit testQuestion 13

13

QuizMultiple Choice

Solving Trigonometric Inequalities — Unit test

Question 13 of 25 • 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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