Suppose g(a)=16.8cos(0.8a). What is the argument of the cosine function? (Enter an expression.) For the value of cosine to vary through a complete cycle of its outputs, the value of the argument must increase from 0 to __________ .    For the value of cosine to vary through a complete cycle of its outputs, the value of the input of g must increase from 0 to ___________ .    What is the period of the function g?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 67E
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Suppose g(a)=16.8cos(0.8a).

  1. What is the argument of the cosine function? (Enter an expression.)

  2. For the value of cosine to vary through a complete cycle of its outputs, the value of the argument must increase from 0 to __________ .   

  3. For the value of cosine to vary through a complete cycle of its outputs, the value of the input of g must increase from 0 to ___________ .   

  4. What is the period of the function g?

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