2cos^2x-cosx=2-secx

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Solution for 2cos^2x-cosx=2-secx equation:


Simplifying
2cos2x + -1cosx = 2 + -1secx

Reorder the terms:
-1cosx + 2cos2x = 2 + -1secx

Solving
-1cosx + 2cos2x = 2 + -1cesx

Solving for variable 'c'.

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

Add 'cesx' to each side of the equation.
-1cosx + cesx + 2cos2x = 2 + -1cesx + cesx

Reorder the terms:
cesx + -1cosx + 2cos2x = 2 + -1cesx + cesx

Combine like terms: -1cesx + cesx = 0
cesx + -1cosx + 2cos2x = 2 + 0
cesx + -1cosx + 2cos2x = 2

Reorder the terms:
-2 + cesx + -1cosx + 2cos2x = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + cesx + -1cosx + 2cos2x = 0

The solution to this equation could not be determined.

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