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IGCSE/GCSE/O & A Level/IB/University Student Forum
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integrate cosec^2x
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Topic: integrate cosec^2x (Read 1765 times)
Sorceres
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integrate cosec^2x
«
on:
March 27, 2010, 08:41:58 am »
helpp!!1
how to intergrate cosec^2x to -cot x??
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luluabdl
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Re: integrate cosec^2x
«
Reply #1 on:
March 27, 2010, 01:49:22 pm »
Quote from: Sorceres on March 27, 2010, 08:41:58 am
helpp!!1
how to intergrate cosec^2x to -cot x??
Isn't this already a rule found in the formula booklet given in the exam? That the integral of cosec
2
x = -cot x.
Actually its under the rules in the C3 differentiation section, when f(x) = cot x f'(x) = -cosec
2
x. So we just reverse it when we need to integrate.
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Why doesn't DOS ever say: "Excellent command or filename!"?
Saladin
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Re: integrate cosec^2x
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Reply #2 on:
March 27, 2010, 02:11:37 pm »
that shub be suffice.
this is an further differentiaion question found in C3
please resort to book for more help
also, formulas are present in formula book.
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astarmathsandphysics
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Free the exam papers!
Re: integrate cosec^2x
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Reply #3 on:
March 27, 2010, 06:57:35 pm »
It is a standard integral
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Saladin
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Re: integrate cosec^2x
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Reply #4 on:
March 27, 2010, 07:01:38 pm »
yea, i know, but boy am i happy i got here b4 u.
hehe
finally beat u to sth after a long time.
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IGCSE/GCSE/O & A Level/IB/University Student Forum
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integrate cosec^2x