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InterviewSolution
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Have a doubt Ask me of maths chapter trigonometry |
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Answer» 1+cos x/1-cos xRationalise1+cos x/1-cos x *1+cos x/1+cos x(1+cos x)^2/1^2-cos^2x(1/sin x+ cos x/sin x)(Cosec x+ cot x) =RHS Prove that 1+cos x/1-cos x=(cosec x+cot x) |
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