Use even-odd identities to find the value. If sec(-a) =-1.21, find csc a -

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 25E
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Use even-odd identities to find the value.
If sec(-a) = -1.21, find csc a -
2
3.
Transcribed Image Text:Use even-odd identities to find the value. If sec(-a) = -1.21, find csc a - 2 3.
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