Inverse Functions Answers

Find tan A for the triangle below.

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

Find tan A for the triangle below.

If the cotangent and tangent are reciprocals of each other, then what is the cotangent of an angle if the tangent of the same angle is where a and b are not zero? a. c. b. d. Please select the best answer from the choices provided

Find cos–10.9455 to the nearest degree

Find sin–10.9563 to the nearest degree.

Using a scientific calculator or graphing calculator to find the inverse tangent of the ratio. Round to the nearest degree.

Find the angle with a tangent ratio of 0.4877.

A ship’s sonar detects a submarine 880 feet below a point on the ocean’s surface 1450 ft dead ahead of the ship. To the nearest degree, find the angle x.

A surveyor is standing 550 feet from the base of a redwood tree in the California Redwood Forest. The tree is 362 feet tall. Sketch a drawing that models the situation and then find the angle of elevation of the top of the tree from the spot where the surveyor is standing.