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OpenStudy (anonymous):
Find the exact value of sin (11pi/8) sqt2+sqt2/4 is my answer am i right?
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OpenStudy (anonymous):
the trick is to somehow write 11pi/8 as a sum of two angles that we can work with
OpenStudy (anonymous):
and no you're not right
OpenStudy (anonymous):
I'm trying to solve it but I keep getting stuck. Is it -sqt2+sqt2/4
OpenStudy (anonymous):
@sourwing
OpenStudy (anonymous):
what did you do?
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