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OpenStudy (anonymous):
What is sin(pi/4)? My answer is 0.13707....
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OpenStudy (anonymous):
It should be 0.707106781 or (√2)/2
OpenStudy (anonymous):
You have your calculator in degree mode, and pi/4 is almost certainly a radian measure equivalent to 45 degrees. TBates' answer is correct under that assumption.
OpenStudy (anonymous):
Thanks so much guys!
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