5cos(5x)sin(5y)=4

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Solution for 5cos(5x)sin(5y)=4 equation: 


Simplifying
5cos(5x) * sin(5y) = 4

Remove parenthesis around (5x)
5cos * 5x * sin(5y) = 4

Remove parenthesis around (5y)
5cos * 5x * ins * 5y = 4

Reorder the terms for easier multiplication:
5 * 5 * 5cos * x * ins * y = 4

Multiply 5 * 5
25 * 5cos * x * ins * y = 4

Multiply 25 * 5
125cos * x * ins * y = 4

Multiply cos * x
125cosx * ins * y = 4

Multiply cosx * ins
125cinos2x * y = 4

Multiply cinos2x * y
125cinos2xy = 4

Solving
125cinos2xy = 4

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Divide each side by '125inos2xy'.
c = 0.032i-1n-1o-1s-2x-1y-1

Simplifying
c = 0.032i-1n-1o-1s-2x-1y-1

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