1. Let 57 < A< 6n. Then tan 4 is negative. 2. Let 27 <0 < 37. Then cos 1+cos @
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.5: Applications
Problem 20EQ
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True or False:
1. Let 5π ≤ A < 6π. Then tan A/2 is negative.
2. Let 2π ≤ Θ < 3π. Then cos Θ/2 = √1+cosΘ/2.
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