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

question 80

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 $\tan \mathrm { A }$ when $\mathrm { a } = 2$ and $\mathrm { b } = 9$ .

• A) \(\frac { \sqrt { 85 } } { 9 }\)
• B) \(\frac { \sqrt { 85 } } { 2 }\)
• C) \(\frac { 2 } { 9 }\)
• D) \(\frac { 9 } { 2 }\)

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