sin^2x+2cosx-2=0

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Solution for sin^2x+2cosx-2=0 equation: 


Simplifying
sin2x + 2cosx + -2 = 0

Reorder the terms:
-2 + 2cosx + in2sx = 0

Solving
-2 + 2cosx + in2sx = 0

Solving for variable 'c'.

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

Add '2' to each side of the equation.
-2 + 2cosx + 2 + in2sx = 0 + 2

Reorder the terms:
-2 + 2 + 2cosx + in2sx = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 2cosx + in2sx = 0 + 2
2cosx + in2sx = 0 + 2

Combine like terms: 0 + 2 = 2
2cosx + in2sx = 2

Add '-1in2sx' to each side of the equation.
2cosx + in2sx + -1in2sx = 2 + -1in2sx

Combine like terms: in2sx + -1in2sx = 0
2cosx + 0 = 2 + -1in2sx
2cosx = 2 + -1in2sx

Divide each side by '2osx'.
c = o-1s-1x-1 + -0.5in2o-1

Simplifying
c = o-1s-1x-1 + -0.5in2o-1

Reorder the terms:
c = -0.5in2o-1 + o-1s-1x-1

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