22. A ramp for unloading a moving truck, has an angle of elevation of 40°. If the top of the ramp is 10m above the ground level, identify what trigonometric ratio will be used to solve the length of the ramp. A 10 m 40° B C adjacent C. cos = Ⓒ hypotenuse D. cot = adjacent opposite = A. tan 9 e B. sin 9 = opposite adjacent opposite hypotenuse​