Answers Precalculus Trigonometric Half Angle IdentitiesQuestion 7

7

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Trigonometric Half Angle Identities

Question 7 • Precalculus

For 0° ≤ x < 360°, what are the solutions to sin + cos(x) – 1 = 0 ?

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Answer

A

{0°, 30°, 150°}

B

{0°, 60°, 300°}

C

{120°, 240°}

D

{210°, 330°}

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