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OpenStudy (anonymous):
How do u find sin(arccos1/2+arcsin-1)
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OpenStudy (campbell_st):
well arccos(1/2) = 60 or pi/3 arcsin(-1) = 270 or 3pi/2 so you are looking at sin(60 + 270) = sin(330) = -sin(30)
OpenStudy (campbell_st):
just write it as an exact value
OpenStudy (anonymous):
Thank you so much(:
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