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Verify cotx/secx=1/sinx-sinx
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Verify cotx/secx=1/sinx-sinx

User Hashg
by
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1 Answer

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cot=cos\sin
sec=1\cos
cosx\sinx÷1\cosx=
cos^2x\sinx=1-sin^2x\sinx=
1\sinx-sin^2x\sinx= 1/sinx-sinx
User Mudgen
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