Geometry
# Trigonometric Functions

If \(\displaystyle \tan A=\frac{3}{4},\) what is the value of \(7\cos A ?\)

If \(\angle ACB = 90^\circ,\) \(AC=50,\) and \(BC= 50\sqrt{3},\) what is \( \angle BAC ?\)

If \(\displaystyle \tan A=\frac{9}{40},\) what is the value of \(7\cos A ?\)

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