Math Problem Statement
Tentukanlah penyelesaian dari PD berikut 4 cos² y dy+cos ec² x Dy=0
Solution
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Math Problem Analysis
Mathematical Concepts
Differential Equations
Separation of Variables
Trigonometry
Formulas
cos^2(y) = (1 + cos(2y)) / 2
Integral of sec^2(x) = tan(x)
Theorems
Separation of Variables Theorem
Trigonometric Identities
Suitable Grade Level
Undergraduate Mathematics
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