The statement is true.
\(sec^2 27° - cot^2 63°\) \(= sec^2 27° - cot^2(90° - 27°)\) \(= sec^2 27° - tan^2 27°\) \(= 1\)
The statement is true.
\(sec^2 27° - cot^2 63°\) \(= sec^2 27° - cot^2(90° - 27°)\) \(= sec^2 27° - tan^2 27°\) \(= 1\)