Answers Precalculus Trigonometric Sum Identities — Unit testQuestion 9

9

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Trigonometric Sum Identities — Unit test

Question 9 of 25 • Precalculus

What is expressed as a single trigonometric ratio?

Question illustration

Answer

A

–tan(20°)

B

–tan(5°)

C

tan(5°)

D

tan(20°)

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