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Powers of Trig Functions

  • Thread starter mike01
  • Start date
  • #1
9
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Homework Statement


See attached image


Homework Equations


Power reducing Identy:
cos^u = (1+Cos2u / 2)


The Attempt at a Solution


This is a problem that was done as an example (I know it is not complete it is missing the last integration step) but this is where I am getting stuck my question is where in this (3/2) coming from indicated in red in the image I cannot figure it out??? thanks in advance.
 

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Answers and Replies

  • #2
41
0
There's a 1 on the left side of the integrand, and a 1/2 coming from the fraction on the right.

1 + 1/2 = 3/2...
 
  • #3
9
0
stupid question the 1/2, does that not stay with the second equation why would you inocrporate it into the first also??
 

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