# Right Angle Trig App

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Information about Right Angle Trig App
Education

Published on January 8, 2009

Author: TeacherWalt

Source: slideshare.net

## Description

To problems are used to illustrate how trigonometry can be used to solve right angle application problems

Introduction To Right Angle Trigonometry Applications Part 1

Suppose that a 10 meter ladder is leaning against a building such that the angle of elevation from ground to the building is 62 o . Find the distance of the foot of the ladder from the wall. Also find the distance from the ground to the top of the ladder. 10 m 62 o x y sin 62 o = y 10m cos 62 o = x 10 m

Suppose that from atop a 100 m vertical cliff a ship is spotted at an angle of depression of 12 o . How far is the ship from the base of the cliff ? Also find the distance from the top of the cliff to the ship. 100 m c x 12 o 90 o – 12 o = 78 o tan 78 o = x 100 m cos 78 o = c 100 m

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July 21, 2017

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