Starting with the Identity $\sin ^ { 2 } x + \cos ^ { 2 } x = 1$

question 22

Multiple Choice

Starting with the identity $\sin ^ { 2 } x + \cos ^ { 2 } x = 1$ , choose the right trigonometric identity.

• A) \(\sec ^ { 2 } x = 1 + \tan ^ { 2 } x\)
• B) \(\sec ^ { 2 } x = 1 - \tan ^ { 2 } x\)
• C) \(\cot ^ { 2 } x = 1 - \tan ^ { 2 } x\)
• D) \(\sin ^ { 2 } x = 1 + \tan ^ { 2 } x\)
• E) \(\sec ^ { 2 } x = 1 + \csc ^ { 2 } x\)

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