Explanation Given information: The value of t between − 2 π and 2 π , such that sin t = cos t Explanation: On the unit circle, locate points P and Q . The co-ordinate of P is ( cos t , sin t ) and coordinate of Q = ( − cos t , − sin t ) So, P and Q are on the same line and on the unit circle. Since, sin t = cos t Coordinate P describes an anti-clockwise angle and a clockwise angle

Calculus & Its Applications (14th Edition)

14th Edition

ISBN: 9780134437774

Author: Larry J. Goldstein, David C. Lay, David I. Schneider, Nakhle H. Asmar

Publisher: PEARSON

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Chapter 8, Problem 13RE

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The values of t at which sin t = cos t, where the value of t between −2π and 2π.

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Chapter 8, Problem 12RE

Chapter 8, Problem 14RE

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Calculus & Its Applications (14th Edition)

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The values of t at which sin t = cos t , where the value of t between − 2 π and 2 π .

Solution Summary: The author explains how to determine the values of t, based on the unit circle.

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The values of t at which sin t = cos t, where the value of t between −2π and 2π.

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Chapter 8 Solutions