sin(21)=cos(5x+9)

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Solution for sin(21)=cos(5x+9) equation: 


Simplifying
sin(21) = cos(5x + 9)

Reorder the terms for easier multiplication:
21ins = cos(5x + 9)

Reorder the terms:
21ins = cos(9 + 5x)
21ins = (9 * cos + 5x * cos)
21ins = (9cos + 5cosx)

Solving
21ins = 9cos + 5cosx

Solving for variable 'i'.

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

Divide each side by '21ns'.
i = 0.4285714286cn-1o + 0.2380952381cn-1ox

Simplifying
i = 0.4285714286cn-1o + 0.2380952381cn-1ox

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