Answers PrecalculusTrigonometric Half Angle Identities

Trigonometric Half Angle Identities Answers

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Which of these expressions is the simplified form of the expression ?

StartFraction 1 minus cosine (x) Over sine squared (x) EndFraction

StartFraction 1 Over 1 minus cosine (x) EndFraction

StartFraction 1 Over 1 + cosine (x) EndFraction

StartFraction 1 Over 2 cosine (x) EndFraction

What are the solutions on the interval 0° ≤ x < 360°? Solutions: {°, °}

Answers:

Part 1:120

Part 2:180

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