Find the exact value of each expression, if it is defined. (If an answer does not exist, enter DNE.) (a) tan-¹ -1 (b) (c) cos 2 X N|S X tan-¹(tan 3л) X (d) cos(tan-¹(-√3)) 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 5E
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Find the exact value of each expression, if it is defined. (If an answer does not exist, enter DNE.)
(a)
tan-¹ -1
(b)
(c)
(d)
1
2
cos 1
X
√2
X
tan-¹(tan 3)
X
cos (tan-¹(-√3))
Transcribed Image Text:Find the exact value of each expression, if it is defined. (If an answer does not exist, enter DNE.) (a) tan-¹ -1 (b) (c) (d) 1 2 cos 1 X √2 X tan-¹(tan 3) X cos (tan-¹(-√3))
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