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PLEASE PROVE THIS CLASS 10, CHAPTER-8 |
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Answer» Answer: 1+tan^2A/1+cot^2A=sec^A/cosec^2A=1/cos^2A×sin^2A=sin^2A/cos^2A=tan^2A (PROVED) Step-by-step EXPLANATION: again =(1-tanA/1-1/tanA)=(tanA-tan^2A/tanA-1) ={tanA(1-tanA)/-(1-tanA)}^2 =(-tanA)^2=tan^2A (proved) . . . L.H.S=R.H.S (proved) |
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