2cosx-sin^2x-1=0

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Solution for 2cosx-sin^2x-1=0 equation:


Simplifying
2cosx + -1sin2x + -1 = 0

Reorder the terms:
-1 + 2cosx + -1in2sx = 0

Solving
-1 + 2cosx + -1in2sx = 0

Solving for variable 'c'.

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

Add '1' to each side of the equation.
-1 + 2cosx + 1 + -1in2sx = 0 + 1

Reorder the terms:
-1 + 1 + 2cosx + -1in2sx = 0 + 1

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

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

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

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

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

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

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

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