bianewskins bianewskins

14-06-2016
Mathematics

Answered

Find the exact value of cos(7pi/12) using half-angle identities. I'm still not sure how to solve this :( Any help is appreciated!

Verified Answer :

KatrinaK14 KatrinaK14

14-06-2016

Did you plug it into your calculator? That's a great place to start.

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