How can y = cos(x) be sketched in the vicinity of the origin.  How do I indicate the value at which the function crosses the y-axis and the value of x for at least one x-crossing?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 44E
Question

How can y = cos(x) be sketched in the vicinity of the origin.  How do I indicate the value at which the function crosses the y-axis and the value of x for at least one x-crossing?

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