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Complete the Identity sec4x+sec2xtan2x2tan4x=\sec ^ { 4 } x + \sec ^ { 2 } x \tan ^ { 2 } x - 2 \tan ^ { 4 } x =

Question 99

Multiple Choice

Complete the identity.
- sec4x+sec2xtan2x2tan4x=\sec ^ { 4 } x + \sec ^ { 2 } x \tan ^ { 2 } x - 2 \tan ^ { 4 } x = ?


A) 3sec4x23 \sec ^ { 4 } x - 2
B) 4sec4x4 \sec ^ { 4 } x
C) sec4x+2\sec ^ { 4 } x + 2
D) tan2x1\tan ^ { 2 } x - 1

Correct Answer:

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