Complete the Identity $\sec ^ { 4 } \theta - 2 \sec ^ { 2 } \theta \tan ^ { 2 } \theta + \tan ^ { 4 } \theta =$

question 51

Multiple Choice

Complete the identity.
- $\sec ^ { 4 } \theta - 2 \sec ^ { 2 } \theta \tan ^ { 2 } \theta + \tan ^ { 4 } \theta =$ ?

• A) 2
• B) \(\sec ^ { 2 } \theta \left( 1 + \tan ^ { 2 } \theta \right)\)
• C) 1
• D) \(\sec ^ { 2 } \theta + \tan ^ { 2 } \theta\)