Recommended Questions
- cos(-A+B+C)+cos(A-B+C)+cos(A+B-C)+cos(A+B+C)=4cosAcosBcosC
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- cos(-A+B+C)+cos(A-B+C)+cos(A+B-C)+cos(A+B+C)=4cos A cos B cos C
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- (a + b + c) (cos A + cos B + cos C)
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- Prove that: cos(A+B+C)+cos(A-B+C)+cos(A+B-C)+cos(-A+B+C)=4cos A\ cos B...
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- (c-b cos A)/(b-c cos A)=(cos B)/(cos C)
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- Delta ABC में सिद्ध कीजिए कि - (cos A)/(b cos C +c cos B )+(cos B )/(c...
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- सिद्ध कीजिए कि : b cos B + c cos C = a cos (B-C)
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- (a cos A + b cos B + c cos C)/( a+b+c) का मान है।
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- Prove that: cos(A+B+C)+cos(A-B+C)+cos(A+B-C)+cos(-A+B+C)=4cos A\ cos B...
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