Solvesin(5x)cos(9x)-cos(5x)sin(9x)=-0.4

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Solution for Solvesin(5x)cos(9x)-cos(5x)sin(9x)=-0.4 equation: 


Simplifying
Solvesin(5x) * cos(9x) + -1cos(5x) * sin(9x) = -0.4

Remove parenthesis around (5x)
eilnosvS * 5x * cos(9x) + -1cos(5x) * sin(9x) = -0.4

Remove parenthesis around (9x)
eilnosvS * 5x * cos * 9x + -1cos(5x) * sin(9x) = -0.4

Reorder the terms for easier multiplication:
5 * 9eilnosvS * x * cos * x + -1cos(5x) * sin(9x) = -0.4

Multiply 5 * 9
45eilnosvS * x * cos * x + -1cos(5x) * sin(9x) = -0.4

Multiply eilnosvS * x
45eilnosvxS * cos * x + -1cos(5x) * sin(9x) = -0.4

Multiply eilnosvxS * cos
45ceilno2s2vxS * x + -1cos(5x) * sin(9x) = -0.4

Multiply ceilno2s2vxS * x
45ceilno2s2vx2S + -1cos(5x) * sin(9x) = -0.4

Remove parenthesis around (5x)
45ceilno2s2vx2S + -1cos * 5x * sin(9x) = -0.4

Remove parenthesis around (9x)
45ceilno2s2vx2S + -1cos * 5x * ins * 9x = -0.4

Reorder the terms for easier multiplication:
45ceilno2s2vx2S + -1 * 5 * 9cos * x * ins * x = -0.4

Multiply -1 * 5
45ceilno2s2vx2S + -5 * 9cos * x * ins * x = -0.4

Multiply -5 * 9
45ceilno2s2vx2S + -45cos * x * ins * x = -0.4

Multiply cos * x
45ceilno2s2vx2S + -45cosx * ins * x = -0.4

Multiply cosx * ins
45ceilno2s2vx2S + -45cinos2x * x = -0.4

Multiply cinos2x * x
45ceilno2s2vx2S + -45cinos2x2 = -0.4

Solving
45ceilno2s2vx2S + -45cinos2x2 = -0.4

Solving for variable 'c'.

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

Reorder the terms:
0.4 + 45ceilno2s2vx2S + -45cinos2x2 = -0.4 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.4 + 45ceilno2s2vx2S + -45cinos2x2 = 0.0

The solution to this equation could not be determined.

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