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

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


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

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

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

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

Multiply 4 * 4
16cos * x * ins * y = 4

Multiply cos * x
16cosx * ins * y = 4

Multiply cosx * ins
16cinos2x * y = 4

Multiply cinos2x * y
16cinos2xy = 4

Solving
16cinos2xy = 4

Solving for variable 'c'.

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

Divide each side by '16inos2xy'.
c = 0.25i-1n-1o-1s-2x-1y-1

Simplifying
c = 0.25i-1n-1o-1s-2x-1y-1

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