Sec^2x-2tan^2x=-2

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Solution for Sec^2x-2tan^2x=-2 equation: 


Simplifying
Sec2x + -2tan2x = -2

Reorder the terms:
-2an2tx + c2exS = -2

Solving
-2an2tx + c2exS = -2

Solving for variable 'a'.

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

Add '-1c2exS' to each side of the equation.
-2an2tx + c2exS + -1c2exS = -2 + -1c2exS

Combine like terms: c2exS + -1c2exS = 0
-2an2tx + 0 = -2 + -1c2exS
-2an2tx = -2 + -1c2exS

Divide each side by '-2n2tx'.
a = n-2t-1x-1 + 0.5c2en-2t-1S

Simplifying
a = n-2t-1x-1 + 0.5c2en-2t-1S

Reorder the terms:
a = 0.5c2en-2t-1S + n-2t-1x-1

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