Suppose that cos(θ) = √6/ 5 , and π < θ < 2π. Find the exact value of cos ( θ + 5π/ 4 )
Suppose that cos(θ) = √6/ 5 , and π < θ < 2π. Find the exact value of cos ( θ + 5π/ 4 )
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 40E
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Suppose that cos(θ) = √6/ 5 , and π < θ < 2π.
Find the exact value of cos ( θ + 5π/ 4 )
Expert Solution
Step 1
It is given that, cos(θ) = √6/ 5 , and π < θ < 2π.
We have to find the exact value of cos ( θ + 5π/ 4 ).
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