Without Using a Calculator, Give the Exact Trigonometric Function Value $\sqrt { 2 }$

question 138

Multiple Choice

Without using a calculator, give the exact trigonometric function value with rational denominator.
-sec 45

• A) \(\sqrt { 2 }\)
• B) 1
• C) \(\frac { 1 } { 2 }\)
• D) \(\frac { 2 \sqrt { 3 } } { 3 }\) °