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Differential Calculus

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 Joined: 19 Jan 2010 Post: 1
19 Jan 2010 20:33:14 IST
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how to show that d/dx cosec x = -cosec x cot x
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how to show that d/dx cosec x = -cosec x cot x

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Joined: 2 Dec 2007
Posts: 101
19 Jan 2010 21:15:07 IST
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from first principle....

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Joined: 18 Jan 2007
Posts: 600
19 Jan 2010 21:29:07 IST
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cosec x can be written as 1/sinx then u can use quotient rule and write d/dx(cosecx) = (-cosx)/sin^2x which is -cosecx cotx

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