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OpenStudy (samigupta8):
the value of sin ^2 2π/3+cos ^2 5π/6-tan^ 3π/4 is
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OpenStudy (anonymous):
2pi/3= pi/2+pi/6 5pi/6=pi-pi/6 3pi/4= pi-pi/4
OpenStudy (samigupta8):
ryt
OpenStudy (anonymous):
proceed now.
OpenStudy (samigupta8):
but it is coming as 1
OpenStudy (samigupta8):
and the answer as provided is 1/2
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OpenStudy (anonymous):
its 1/2
OpenStudy (anonymous):
|dw:1372422927499:dw|
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