Two Sides of a Right Triangle ABC (C Is the Right

question 99

Multiple Choice

Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given
angle. Give exact answers with rational denominators.
-Find sec $B$ when $a = 9$ and $b = 5$ .

• A) \(\frac { 9 \sqrt { 106 } } { 106 }\)
• B) \(\frac { \sqrt { 106 } } { 9 }\)
• C) \(\frac { 9 \sqrt { 106 } } { 5 }\)
• D) \(\frac { 5 \sqrt { 106 } } { 106 }\)

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