sec(2x)=-(sqrt(2))

Solution for sec(2x)=-(sqrt(2)) equation:

Simplifying
sec(2x) = -1(sqrt(2))

Remove parenthesis around (2x)
ces * 2x = -1(sqrt(2))

Reorder the terms for easier multiplication:
2ces * x = -1(sqrt(2))

Multiply ces * x
2cesx = -1(sqrt(2))

Reorder the terms for easier multiplication:
2cesx = -1(2qrst)

Remove parenthesis around (2qrst)
2cesx = -1 * 2qrst

Multiply -1 * 2
2cesx = -2qrst

Solving
2cesx = -2qrst

Solving for variable 'c'.

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

Divide each side by '2esx'.
c = -1e-1qrtx-1

Simplifying
c = -1e-1qrtx-1