tan^2(x)-2secx=-1

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Solution for tan^2(x)-2secx=-1 equation: 


Simplifying
tan2(x) + -2secx = -1

Multiply an2t * x
an2tx + -2secx = -1

Solving
an2tx + -2cesx = -1

Solving for variable 'a'.

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

Add '2cesx' to each side of the equation.
an2tx + -2cesx + 2cesx = -1 + 2cesx

Combine like terms: -2cesx + 2cesx = 0
an2tx + 0 = -1 + 2cesx
an2tx = -1 + 2cesx

Divide each side by 'n2tx'.
a = -1n-2t-1x-1 + 2cen-2st-1

Simplifying
a = -1n-2t-1x-1 + 2cen-2st-1

Reorder the terms:
a = 2cen-2st-1 + -1n-2t-1x-1

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