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Prove that; cotA-cosA/cotA+cosA=cosecA-1/cosecA+1

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Prove that; cotA-cosA/cotA+cosA=cosecA-1/cosecA+1

Posted by Soham Nirhali 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Shubhanshu Tiwari 6 years, 11 months ago

We can write cot A minus Cos A upon cot A + cos A is equal to cosA upon sinA minus CosA.whole upon cos upon sinA + cosA now we will take cosA common from whole equation then we have 1upon sin minus 1 whole upon 1 upon sin + 1 then we know that one upon sin is equal to cosecA minus one whole upon 1 upon sin is equal to cosA plus 1 now we got our answer what we have to prove

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CBSE > Class 10 > Mathematics