Cosx*tanx-2cos^2x=-1

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Solution for Cosx*tanx-2cos^2x=-1 equation: 


Simplifying
Cosx * tanx + -2cos2x = -1

Multiply osxC * antx
anostx2C + -2cos2x = -1

Solving
anostx2C + -2cos2x = -1

Solving for variable 'a'.

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

Add '2cos2x' to each side of the equation.
anostx2C + -2cos2x + 2cos2x = -1 + 2cos2x

Combine like terms: -2cos2x + 2cos2x = 0
anostx2C + 0 = -1 + 2cos2x
anostx2C = -1 + 2cos2x

Divide each side by 'nostx2C'.
a = -1n-1o-1s-1t-1x-2C-1 + 2cn-1st-1x-1C-1

Simplifying
a = -1n-1o-1s-1t-1x-2C-1 + 2cn-1st-1x-1C-1

Reorder the terms:
a = 2cn-1st-1x-1C-1 + -1n-1o-1s-1t-1x-2C-1

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