Chapter 5 Test Review Right Triangle Trigonometry A

Chapter 5 Test Review Right Triangle Trigonometry

A central angle in a circle with a radius of 9 inches intercepts an arc of length 21 inches. What is the radian measure of the central angle?

Find a positive angle that is less than 360º that is coterminal with each of the following: 450º angle − 165º angle

What are the coordinates?

What is the domain of sine and cosine? Express the answer in interval notation. What is the range of sine and cosine? Express the answer in interval notation.

Using a Pythagorean Identity

EVALUATING TRIGONOMETRIC FUNCTIONS What is the value of b? Find all six trig functions of angle A Remember SOH CAH TOA and the reciprocal identities

Using cofunction identities

A surveyor is standing 60 feet from the base of a large tree. The surveyor measures the angle of elevation to the top of the tree as 73. 5°. How tall is the tree? tan 73. 5° ? tan 73. 5° h = 60 (tan 73. 5°) 60 Look at the given info. What trig function can we use?

A guy wire from a point 2 m from the top of an electric post makes an angle of 650 with the ground. If the guy wire is anchored 6 m from the base of the post, how long is the guy wire? 2 m x Guy wire 650 6 m x = 14. 2 meters