171. 5) Find the exact value without using calculator. Leave the radical in the answer. (a) cos (-225°) (b) tan
171. 5) Find the exact value without using calculator. Leave the radical in the answer. (a) cos (-225°) (b) tan
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 7E
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Question
A and B please
Transcribed Image Text:7
and StrLO
and sing.
5) Find the exact value without using calculator. Leave the radical in the answer.
(a) cos (-225°)
17r.
(b) tan
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