Explanation Given Information: The expression is f ( t ) = 4.2 cos ( 2 π t ) + 3 . Consider the function f ( t ) = 4.2 cos ( 2 π t ) + 3 . Substitute sin ( π 2 − x ) in the place of cos x , f ( t ) = 4

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ISBN: 9781337291408

Author: Stefan Waner, Steven Costenoble

Publisher: Brooks Cole

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Chapter 9.1, Problem 25E

To determine

The sine function for the expression f(t)=4.2cos(2πt)+3 by the use of conversion formula cosx=sin(π2−x).

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Chapter 9.1, Problem 24E

Chapter 9.1, Problem 26E

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The sine function for the expression f ( t ) = 4.2 cos ( 2 π t ) + 3 by the use of conversion formula cos x = sin ( π 2 − x ) .

Solution Summary: The author explains how to determine the sine function for the expression f(t)=4.2mathrmcos

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The sine function for the expression f(t)=4.2cos(2πt)+3 by the use of conversion formula cosx=sin(π2−x).

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Chapter 9 Solutions