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Chapter 8: Q. 61 (page 536)

Make up an applied problem that requires using the Law of Cosines.

Short Answer

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Applied problem that requires using the Law of Cosines .

Step by step solution

01

Step 1. Given information 

The Law of Cosines

02

Step 2. Calculation 

Applied problem that requires using the Law of Cosines -

Tom walks from home for 1miles in the direction of his school, then turn 85°to the right and walks for 2.5miles. How far is he away from home?

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Most popular questions from this chapter

Area of an ASA Triangle If two angles and the included side are given, the third angle is easy to find. The area K of the triangle with side a and angles A, B, and C is

K=a2sinBsinC2sinA

Area of a triangle Prove the two other forms of the above formula.

K=b2sinAsinC2sinBand K=c2sinAsinB2sinC

Rework Problem 7 under the same conditions except that, at time t = 0, the object is at its resting position and moving down.

Find the area of the triangle. Round answer to two decimal places.

A=110°,C=30°,c=3

If two sides and the included angle of a triangle are given, the Law of _______ is used to solve the triangle .

In the given problem solve the triangle using either the law of sines or law of cosines-

B=35°,C=65°,a=15
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