Integrate &
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Originally Posted by liyi Integrate & Do the substitutions: x=sint for the first one and x=sect for the second.
I'm not sure what the user above means but I'd; Rearrange Intergrate; add one to power, divide by new power and add c: I don't think that can be simplified
Originally Posted by markcantdomaths I'm not sure what the user above means but I'd; Rearrange In general curvature's substitutions should work nicely. -Dan
Originally Posted by markcantdomaths Rearrange No the second equality is wrong.
Originally Posted by liyi Integrate Define the function Make-up: Integrate Originally Posted by liyi Integrate Consider the function Make-up & integrate For the remaining integral, substitute And we happily get
Originally Posted by Krizalid Define the function Make-up: Integrate Consider the function Make-up & integrate For the remaining integral, substitute And we happily get I understood everything except this step here: Can you please explain it.
Originally Posted by angel.white I understood everything except this step here: Can you please explain it. as in explain why it is true?
I see now, that's a smart way of doing business.
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