Using Trig to Solve Problems
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A road has a steady gradient of 1 to 12
(i) What angle does the road make with the horizontal? Give your answer to the nearest degree.
(ii) A car starts from the bottom of the inclined road and drives \(3 \mathrm{~km}\) along the road. How high vertically has it climbed? Give your answer to the nearest metre. (use the angle in pant (i))
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