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February 28, 2015

February 28, 2015

Posted by **Sasha** on Thursday, October 7, 2010 at 2:47am.

- calculus -
**Reiny**, Thursday, October 7, 2010 at 8:06amAccording to you diagram I have

cos Ø = x/10

x = 10cosØ

dx/dØ = -10sinØ

so when Ø=π/3

dx/dØ = -10sin π/3

= -10 (√3/2)

- calculus -
**daniel**, Wednesday, September 28, 2011 at 1:28amSinØ = opp/hyp

opp is x

hyp is 10

SinØ = x/10

10SinØ = x

Sin (π/3) = 1/2

10 * 1/2 = 5

Answer: 5 ft/rad

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