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

question 19

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 $\cot \mathrm { A }$ when $\mathrm { a } = 3$ and $\mathrm { c } = 4$ .

• A) \(\frac { \sqrt { 7 } } { 4 }\)
• B) \(\frac { \sqrt { 7 } } { 3 }\)
• C) \(\frac { 4 \sqrt { 7 } } { 7 }\)
• D) \(\frac { 3 \sqrt { 7 } } { 7 }\)

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