If y=tanx how is dx/dt= 2? I dont understand where the 2 came from.

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- June 3rd 2012, 10:00 AMdroidusfinding derivative
If y=tanx how is dx/dt= 2? I dont understand where the 2 came from.

- June 3rd 2012, 10:03 AMdroidusRe: finding derivative
I think i see now. If something changes 2 units per time unit?

- June 3rd 2012, 10:55 AMskeeterRe: finding derivative
- June 4th 2012, 06:15 AMHallsofIvyRe: finding derivative
You give y as a function of x but ask for the derivative of x with respect to t. There must be some other information, such as giving x as a function of t, that you did not post.