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4 cos't- sin" t=1-2 sint Which of the following four statements establishes the identity? A. cos t- sin t= (cost+ sin? t) (cost- sint) =1- 2 sint B. 4 4. - sin t= (cos' ) (cos t+ sin t) = 1 -2 sin t C. cos t- sin t= (sin? 1) (cos t+ sin t) = 1-2 sint 4 t3D %3D 4. D. cos't- t- sin t= (cos?1- sin t) (cos²t - sin? t) = 1 - 2 sin?t 4. (cos1- sin t) (cos?t- sin 1) = 1-2 sin?t

4 cos't- sin" t=1-2 sint Which of the following four statements establishes the identity? A. cos t- sin t= (cost+ sin? t) (cost- sint) =1- 2 sint B. 4 4. - sin t= (cos' ) (cos t+ sin t) = 1 -2 sin t C. cos t- sin t= (sin? 1) (cos t+ sin t) = 1-2 sint 4 t3D %3D 4. D. cos't- t- sin t= (cos?1- sin t) (cos²t - sin? t) = 1 - 2 sin?t 4. (cos1- sin t) (cos?t- sin 1) = 1-2 sin?t

Algebra & Trigonometry with Analytic Geometry
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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Verify the identity. 4 t- sin't= 1-2 sint 4 in?t cos Which of the following four statements establishes the identity? t- sin t= (cos?t+ sin 1) (cos?t- sin? 1) = 1-2 sin?t = (cos? ) (cos?t+ sin? t) = 1 – 2 sin? cos 4 t- sin't= cos (sin? ) (cos t+ sin? t) = 1-2 sin?t cos t- sin cos t- sin“ t= (cos? t - sin? t) (cos? t- sin? t) = 1 – 2 sin?t D. O O O O
Transcribed Image Text:Verify the identity. 4 t- sin't= 1-2 sint 4 in?t cos Which of the following four statements establishes the identity? t- sin t= (cos?t+ sin 1) (cos?t- sin? 1) = 1-2 sin?t = (cos? ) (cos?t+ sin? t) = 1 – 2 sin? cos 4 t- sin't= cos (sin? ) (cos t+ sin? t) = 1-2 sin?t cos t- sin cos t- sin“ t= (cos? t - sin? t) (cos? t- sin? t) = 1 – 2 sin?t D. O O O O
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