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If A+B+C=pi , then the value of the dete...

If `A+B+C=pi` , then the value of the determinant `D=|sin^2AcotA1sin^2BcotB1sin^2CcotC1|i se q u a lto` 1 (b) `-1` (c) 0 (d) None of these

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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  3. If A+B+C=pi , then the value of the determinant D=|sin^2AcotA1sin^2Bc...

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