Solution
Solution
+1
Solution steps
Simplify
Rewrite using trig identities
Use the following trivial identity
Use the following trivial identity
Use the following trivial identity
Use the following trivial identity
Simplify
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Frequently Asked Questions (FAQ)
What is the value of cos(5/12 pi) ?
The value of cos(5/12 pi) is (sqrt(6)-sqrt(2))/4