Not sure if I have to substitute just once or twice. Any suggestions?
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Originally Posted by mmattson07 Not sure if I have to substitute just once or twice. Any suggestions?
I see how you got this and i know but how did you get
Half-Angle formula.
Originally Posted by mmattson07 I see how you got this and i know but how did you get Before attempting integrals like the one you posted you should ensure that you are thoroughly familiar with all required trigonometric identities. Otherwise you have no chance. For example, you should know that ....
Yeah maybe that would help. He skipped a few algebraic steps so i was lost for a second.
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