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OpenStudy (anonymous):
sinA-sinB+sinC=4sinA/2 cosB/2 sinC/2 Someone plzz help me out! tomorrow is my maths exam nd this question is very much imp.!!!!
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OpenStudy (anonymous):
@Elegant What is the question asking?
OpenStudy (anonymous):
We need to prove it!!!
OpenStudy (anonymous):
Is there any restriction for A,B,C?
OpenStudy (anonymous):
which quadrant?
OpenStudy (anonymous):
I dont know!!
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OpenStudy (anonymous):
@genius12 No there is no restriction
OpenStudy (anonymous):
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