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OpenStudy (anonymous):
Determine the exact value of sin(-315 degrees)?
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OpenStudy (anonymous):
|dw:1417977911559:dw|
OpenStudy (anonymous):
do u understand that ?
OpenStudy (anonymous):
Will it be -sqrt 2/2 or 7pi/4?
OpenStudy (anonymous):
either one..... It depends if u want ur answer in degrees or radians
OpenStudy (anonymous):
sin(-315 degrees)=sin(-315+360)=sin 45=1/sqroot(2)
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OpenStudy (anonymous):
since sin theta=sin (2npie +theta)
OpenStudy (anonymous):
Thank you!
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