Let s = cos (theta). Evaluate ds/dt when theta= and dtheta/dt= 5. I have no clue what they want me to do. The answer is 5
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Originally Posted by Truthbetold Let s = cos (theta). Evaluate ds/dt when theta= and dtheta/dt= 5. Hello, you have: . Now derivate wrt t. Use chain rule!: Plug in the values you know: Since the result is 5.
Originally Posted by earboth Hello, you have: . Now derivate wrt t. Use chain rule!: Plug in the values you know: Since the result is 5. Ooooooh! I see. It threw me off that the derivative of 3pi/2 equaled 5. Makes sense now.
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