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
Section7.4: Multiple-angle Formulas
Problem 3E
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A and B please
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc97a1019-e6b4-4b8d-9bc8-da000b2e5be1%2F7428230d-2fc6-4438-99ba-b74ee4226fce%2Fc9ydh_processed.jpeg&w=3840&q=75)
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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