2*cosy-siny=0.5

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Solution for 2*cosy-siny=0.5 equation:


Simplifying
2cosy + -1siny = 0.5

Solving
2cosy + -1insy = 0.5

Solving for variable 'c'.

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

Add 'insy' to each side of the equation.
2cosy + -1insy + insy = 0.5 + insy

Combine like terms: -1insy + insy = 0
2cosy + 0 = 0.5 + insy
2cosy = 0.5 + insy

Divide each side by '2osy'.
c = 0.25o-1s-1y-1 + 0.5ino-1

Simplifying
c = 0.25o-1s-1y-1 + 0.5ino-1

Reorder the terms:
c = 0.5ino-1 + 0.25o-1s-1y-1

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