11. Test the equation for exactness and solve for the general solution. (sin 0 – 2r cos² 0) dr + r cos 0(2r sin 0 + 1) d0 = 0.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 104E
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11. Test the equation for exactness and solve for the general solution.
(sin 0 – 2r cos2 0) dr + r cos 0(2r sin 0 + 1) d0 = 0.
12. Test the equation for exactness and solve for the general solution.
(2x – 3y) dx + (2y 3x) dy 0.
Transcribed Image Text:11. Test the equation for exactness and solve for the general solution. (sin 0 – 2r cos2 0) dr + r cos 0(2r sin 0 + 1) d0 = 0. 12. Test the equation for exactness and solve for the general solution. (2x – 3y) dx + (2y 3x) dy 0.
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