2 a) Using exact values, show that 1+ cot2 = csc² for 9-45°. b) Prove the identity in part a directly from sin²+ cos² = 1 for = 45⁰

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter82: Control Systems, Absolute Positioning, Incremental Positioning
Section: Chapter Questions
Problem 6A
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2 a) Using exact values, show that 1+ cot² = csc² e for e=45°.
b) Prove the identity in part a directly from sin²+ cos² = 1 for = 45°
Transcribed Image Text:2 a) Using exact values, show that 1+ cot² = csc² e for e=45°. b) Prove the identity in part a directly from sin²+ cos² = 1 for = 45°
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