Use the Cofunction Identities to Evaluate the Expression Without Using $$\tan ^ { 2 } 61 + \cot ^ { 2 } 18 - \sec ^ { 2 } 72 - \csc ^ { 2 } 29$$

question 35

Multiple Choice

Use the cofunction identities to evaluate the expression without using a calculator. $$\tan ^ { 2 } 61 + \cot ^ { 2 } 18 - \sec ^ { 2 } 72 - \csc ^ { 2 } 29$$

• A) \(- 2\)
• B) 3
• C) \(- 1\)
• D) 1
• E) 2

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