sin(4x)cos(5x)=1

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Solution for sin(4x)cos(5x)=1 equation:


Simplifying
sin(4x) * cos(5x) = 1

Remove parenthesis around (4x)
ins * 4x * cos(5x) = 1

Remove parenthesis around (5x)
ins * 4x * cos * 5x = 1

Reorder the terms for easier multiplication:
4 * 5ins * x * cos * x = 1

Multiply 4 * 5
20ins * x * cos * x = 1

Multiply ins * x
20insx * cos * x = 1

Multiply insx * cos
20cinos2x * x = 1

Multiply cinos2x * x
20cinos2x2 = 1

Solving
20cinos2x2 = 1

Solving for variable 'c'.

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

Divide each side by '20inos2x2'.
c = 0.05i-1n-1o-1s-2x-2

Simplifying
c = 0.05i-1n-1o-1s-2x-2

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