integral of cosec x dx
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cosec x= 1/sinx = sinx/sin²x = (sin x)/(1 - cos²x). Let u = cos x
and then proceed by partial fractions after the substitution .
cosec x = 1/sinx = sinx/sin²x = (sin x)/(1 - cos²x)
cosec x= 1/sinx = sinx/sin²x = (sin x)/(1 - cos²x). Let u = cos x
and then proceed by partial fractions after the substitution .
cosec x = 1/sinx = sinx/sin²x = (sin x)/(1 - cos²x)
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