2 Answered Questions for the topic Half Angle Identities

Half Angle Identities Math Precalculus

03/09/22

Step-By-Step Half Angle Identities
I can't really find an answer for this anywhere. Could I get a Step-By-Step solution for the following problem?Find cos theta/2 if cos theta=4/5 and 270 degrees< theta<360 degrees
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Expert Answers •2
Half Angle Identities

04/10/14

exact value of cos ?/12
Use a half angle identity to find the exact value of Cos Π/12
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Expert Answers •1

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