Solution
Solution
+1
Solution steps
Rewrite using trig identities
Use the following trivial identity
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Frequently Asked Questions (FAQ)
What is the value of sin(pi/5)cos(pi/(20))+cos(pi/5)sin(pi/(20)) ?
The value of sin(pi/5)cos(pi/(20))+cos(pi/5)sin(pi/(20)) is (sqrt(2))/2