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January 30, 2015

January 30, 2015

Posted by **ee** on Tuesday, November 18, 2008 at 11:05pm.

- 12th Calculus -
**Reiny**, Tuesday, November 18, 2008 at 11:20pmd(i)/dt = -2sint + 2cost

= 0 for a max of i

solving this we get sint = cost

divide by cost

sint/cost = 1

tant = 1

t = pi/4 sec

then i = 2cos(pi/4) + 2sin(pi/4)

= √2 + √2

= 2√2 amps

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