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URGENT PLS HELP - This proof shows the first five steps for verifying

Cotangent squared (StartFraction x Over 2 EndFraction) = StartFraction cosine x + 1 Over cosine x minus 1 EndFraction

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URGENT PLS HELP This proof shows the first five steps for verifying Cotangent squared StartFraction x Over 2 EndFraction StartFraction cosine x 1 Over cosine x class=

Respuesta :

Answer:

Step-by-step explanation:

♦:    

Tangent half-angle identity

♣:    

1 + cos x

◼:    

1 - cos x

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