Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN: 9781337278461
Author: Ron Larson
Publisher: Cengage Learning
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Concept explainers

Fundamentals of Trigonometric Identities
Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.
Question

Seeing that the cosine is positive and the tangent is negative, in which quadrant must theta lie? Find the exact values of the remaining five trigonometric functions. Rationalize denominators and simplify as much as possible. Look carefully at how you simplify cot theta.

cos θ .85, and tan θ < 0
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Transcribed Image Text:cos θ .85, and tan θ < 0
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