sin-t-i-di-dt-i-0-0-i-t-

Question Number 730 by 123456 last updated on 04/Mar/15

\sin t = i \frac{d i}{d t}

i (0) = 0

i (t) = ?

Commented by malwaan last updated on 05/Mar/15

- c o s t = \frac{i^{2}}{2} + C

i (t) = \sqrt{C - 2 c o s t}

i (0) = \sqrt{C - 2} = 0 C = 2

i (t) = \sqrt{2 - 2 c o s t}

A m I r i g h t ? ? ?

Commented by prakash jain last updated on 05/Mar/15

Solution is correct . What about - \sqrt{2 - 2 \cos t} ?

Commented by malwaan last updated on 05/Mar/15

I t i s a l s o s o l u t i o n

Facebook Tweet Pin