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if (cos A+ cos B+ cos C)=0(sin A+ sin B+ sin C)then find the value ofxsin(2A-B-C)xsin(2B-C-A)xsin(2C-A-B) is1)12)03)34)-3

neha , 9 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 4 Years ago

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