The Student Room Group
Reply 1
cot^2 = cos^2 / sin^2 = (1-sin^2)/sin^2 = cosec^2 - 1...
Reply 2
but how does that make the integrating any simpler? cos u still end up with one over a trig. i was just wondering what rule to use when integrating.
Reply 3
so i asked a stupid question. sorry! thanks for pointing that out!

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