Which of the Following Is Equal To $\cos ^ { 2 } C - \sin ^ { 2 } C$

question 3

Multiple Choice

Which of the following is equal to: $\cos ^ { 2 } C - \sin ^ { 2 } C$

• A) \(1 - 2 \sin ^ { 2 } c\)
• B) \(\tan C \sin C\)
• C) \(2 - \sec C \csc C\)
• D) \(\csc ^ { 2 } C \sec ^ { 2 } C\)
• E) \(\frac { 1 - \cos ^ { 2 } C } { \cos C }\)