The given angles are approximate find the exact value of each expression without the use of a
Question:
The given angles are approximate find the exact value of each expression without the use of a calculator.
sec 130° − sec 230° + sec 300°
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Step by Step Answer:
We can start by using the following trigonometric identities secx 1cosx cosx 180 cosx Then we can ...View the full answer
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Related Book For 
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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