- #1
Snoogx
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Homework Statement
Find the length of the polar curve r = psin3([tex]\theta[/tex]/3)
Hint: The period of the curve is 3[tex]\pi[/tex]
Homework Equations
L = [tex]\int[/tex]sqrt(f([tex]\theta[/tex])2 + f'([tex]\theta[/tex])2)d[tex]\theta[/tex]
The Attempt at a Solution
I know from the hint that 0[tex]\leq[/tex][tex]\theta[/tex][tex]\geq[/tex]3[tex]\pi[/tex]
The only problem I have is how do I start this with "p" in the r-equation. Do I treat it as another variable or is it a constant?