7π/4, then sin(θ) =    cos(θ) =    Give exact values. No decimals allowed!

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 43E
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If θ=−7π/4, then

sin(θ) =   

cos(θ) =   

Give exact values. No decimals allowed!
 
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