cos^2y(1+tan^2y)=1

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Solution for cos^2y(1+tan^2y)=1 equation: 


Simplifying
cos2y(1 + tan2y) = 1
(1 * cos2y + an2ty * cos2y) = 1

Reorder the terms:
(acn2os2ty2 + 1cos2y) = 1
(acn2os2ty2 + 1cos2y) = 1

Solving
acn2os2ty2 + 1cos2y = 1

Solving for variable 'a'.

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

Add '-1cos2y' to each side of the equation.
acn2os2ty2 + 1cos2y + -1cos2y = 1 + -1cos2y

Combine like terms: 1cos2y + -1cos2y = 0
acn2os2ty2 + 0 = 1 + -1cos2y
acn2os2ty2 = 1 + -1cos2y

Divide each side by 'cn2os2ty2'.
a = c-1n-2o-1s-2t-1y-2 + -1n-2t-1y-1

Simplifying
a = c-1n-2o-1s-2t-1y-2 + -1n-2t-1y-1

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