As usual, when faced with a new formula, it is a good idea to try it on

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As usual, when faced with a new formula, it is a good idea to try it on familiar objects to be sure it gives results consistent with past experience. Use the length formula in Equation (3) to calculate the circumferences of the following circles (a > 0).


a. r = a 


b. r = a cos θ 


c. r = a sin θimage

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Thomas Calculus Early Transcendentals

ISBN: 9780321884077

13th Edition

Authors: Joel R Hass, Christopher E Heil, Maurice D Weir

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