According to the Americans with Disabilities Act, a ramp can rise no more than 1 ft for every 12 ft of horizontal distance. What is the maximum angle that the ramp can form with the ground?
Using a scientific calculator or graphing calculator to find the inverse tangent of the ratio. Round to the nearest degree.

Find tan–11.4826 to the nearest degree.
Find cos–10.9455 to the nearest degree
Find θ in the triangle. Round to the nearest degree.

Find tan A for the triangle below.

Consider the following triangle. If cos , what is the measure of the angle?

Consider the following triangle. If cos , what is the measure of the angle?

Find tan A for the triangle below.

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