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cos 5y+cos 3y 4. Prove that the equation = - cot 4y cot y is an identity. cos 5V cos 3v

cos 5y+cos 3y 4. Prove that the equation = - cot 4y cot y is an identity. cos 5V cos 3v

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 30E
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cos 5y+cos 3y cos 5y-cos 3y 5. From the figure below, the small circle in the middle is tangent to each other of the three large circles. If the three circles (outside the small circle) are tangent to each other and each has radius 1,determine the radius of 4. Prove that the equation - cot 4y cot y is an identity. the small circle.
Transcribed Image Text:cos 5y+cos 3y cos 5y-cos 3y 5. From the figure below, the small circle in the middle is tangent to each other of the three large circles. If the three circles (outside the small circle) are tangent to each other and each has radius 1,determine the radius of 4. Prove that the equation - cot 4y cot y is an identity. the small circle.
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