Verify the identity algebraically. 3 cos(x) 1 - tan(x) 3 cos(x) - 3 cos(x) - 3 cos(x) 1 - tan(x) = = Use the table feature of a graphing utility to check your result numerically. (Simplify at each step.) 3 sin(x) cos(x) sin(x) - cos(x) (3 cos(x)) (-3 cos(x))( (-3 cos(x)) 1 (-3 cos(x)) 1 - tan(x) tan(x) cos(x) cos(x) cos(x) = sin(x) 3 sin(x) cos(x) sin(x) - cos(x) - 3 cos(x) (cos(x) cos(x))

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Verify the identity algebraically.
3 cos(x)
1 - tan(x)
3 cos(x) -
3 cos(x) -
3 cos(x)
1 - tan(x)
=
=
Use the table feature of a graphing utility to check your result numerically. (Simplify at each step.)
3 sin(x) cos(x)
sin(x) - cos(x)
(3 cos(x))
(-3 cos(x))(
(-3 cos(x))
1
(-3 cos(x))
1 - tan(x)
tan(x)
cos(x)
cos(x)
cos(x) = sin(x)
3 sin(x) cos(x)
sin(x) - cos(x)
- 3 cos(x)
(cos(x)
cos(x))
Transcribed Image Text:Verify the identity algebraically. 3 cos(x) 1 - tan(x) 3 cos(x) - 3 cos(x) - 3 cos(x) 1 - tan(x) = = Use the table feature of a graphing utility to check your result numerically. (Simplify at each step.) 3 sin(x) cos(x) sin(x) - cos(x) (3 cos(x)) (-3 cos(x))( (-3 cos(x)) 1 (-3 cos(x)) 1 - tan(x) tan(x) cos(x) cos(x) cos(x) = sin(x) 3 sin(x) cos(x) sin(x) - cos(x) - 3 cos(x) (cos(x) cos(x))
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