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Hi,
I was wondering if someone could help me with these questions:
a) ∫2cosx tanx dx
b) ∫sinx cosx dx
c) ∫dx/√1-4x²
For a and b I know how to integrate them on their own it's because they are multiplying each other thats getting me.
I would be grateful fpr any help.
Thanks
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(a) 2cosxtanx = 2sinx
(b) sinxcosx = ½sin2x.
(c) Use the substitution x = ½sinθ.
Last edited by JaneFairfax (2007-04-01 23:14:19)
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