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Given: Sine squared x = StartFraction 1 minus cosine (2 x) Over 2 EndFraction
Prove:Sine (StartFraction x Over 2 EndFraction) = plus-or-minus StartRoot StartFraction 1 minus cosine (x) Over 2 EndFraction EndRoot
Complete the steps of the proof.
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♣:


answer: half angle, x

Given Sine squared x StartFraction 1 minus cosine 2 x Over 2 EndFraction ProveSine StartFraction x Over 2 EndFraction plusorminus StartRoot StartFraction 1 minu class=

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