# Trigonometry Placement

(Trigonometric Functions and Identities) | ||

1. | Which of the following is equivalent to ? | |

A. sec^{2}B. (csc^{2}) – 1C. tan^{2}D. sin^{2}E. | ||

(Right-Triangle Trigonometry) | ||

2. | From a point on the ground the angle of elevation to a ledge on a building is 27°, and the distance to the base of the building is 45 meters. How many meters high is the ledge? | |

A. B. C. 45 sin 27°D. 45 cos 27°E. 45 tan 27° |

**Answers:**

1. C

2. E

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