 6.2.6.2.5: In Exercises 1 8, solve each triangle. Round lengths of sides to th...
 6.2.6.2.6: In Exercises 1 8, solve each triangle. Round lengths of sides to th...
 6.2.6.2.7: In Exercises 1 8, solve each triangle. Round lengths of sides to th...
 6.2.6.2.8: In Exercises 1 8, solve each triangle. Round lengths of sides to th...
 6.2.6.2.9: In Exercises 1 8, solve each triangle. Round lengths of sides to th...
 6.2.6.2.10: In Exercises 1 8, solve each triangle. Round lengths of sides to th...
 6.2.6.2.11: In Exercises 1 8, solve each triangle. Round lengths of sides to th...
 6.2.6.2.12: In Exercises 1 8, solve each triangle. Round lengths of sides to th...
 6.2.6.2.13: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.14: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.15: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.16: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.17: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.18: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.19: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.20: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.21: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.22: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.23: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.24: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.25: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.26: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.27: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.28: In Exercises 9 24, solve each triangle. Round lengths to the neares...
 6.2.6.2.29: In Exercises 25 30, use Heron s formula to find the area of each tr...
 6.2.6.2.30: In Exercises 25 30, use Heron s formula to find the area of each tr...
 6.2.6.2.31: In Exercises 25 30, use Heron s formula to find the area of each tr...
 6.2.6.2.32: In Exercises 25 30, use Heron s formula to find the area of each tr...
 6.2.6.2.33: In Exercises 25 30, use Heron s formula to find the area of each tr...
 6.2.6.2.34: In Exercises 25 30, use Heron s formula to find the area of each tr...
 6.2.6.2.35: In Exercises 31 32, solve each triangle. Round lengths of sides to ...
 6.2.6.2.36: In Exercises 31 32, solve each triangle. Round lengths of sides to ...
 6.2.6.2.37: In Exercises 33 34, the three circles are arranged so that they tou...
 6.2.6.2.38: In Exercises 33 34, the three circles are arranged so that they tou...
 6.2.6.2.39: In Exercises 35 36, the three given points are the vertices of a tr...
 6.2.6.2.40: In Exercises 35 36, the three given points are the vertices of a tr...
 6.2.6.2.41: Use Figure 6.13 on page 656 to find the pace angle, to the nearest ...
 6.2.6.2.42: Use Figure 6.13 on page 656 to find the pace angle, to the nearest ...
 6.2.6.2.43: Two ships leave a harbor at the same time. One ship travels on a be...
 6.2.6.2.44: A plane leaves airport A and travels 580 miles to airport B on a be...
 6.2.6.2.45: Find the distance across the lake from to to the nearest yard, usin...
 6.2.6.2.46: To find the distance across a protected cove at a lake, a surveyor ...
 6.2.6.2.47: If you are on island A, on what bearing should you navigate to go t...
 6.2.6.2.48: If you are on island B, on what bearing should you navigate to go t...
 6.2.6.2.49: You are on a fishing boat that leaves its pier and heads east. Afte...
 6.2.6.2.50: You are on a fishing boat that leaves its pier and heads east. Afte...
 6.2.6.2.51: The figure shows a 400foot tower on the side of a hill that forms ...
 6.2.6.2.52: The figure shows a 200foot tower on the side of a hill that forms ...
 6.2.6.2.53: A Major League baseball diamond has four bases forming a square who...
 6.2.6.2.54: A Little League baseball diamond has four bases forming a square wh...
 6.2.6.2.55: A piece of commercial real estate is priced at $3.50 per square foo...
 6.2.6.2.56: A piece of commercial real estate is priced at $4.50 per square foo...
 6.2.6.2.57: Without using symbols, state the Law of Cosines in your own words.
 6.2.6.2.58: Why can t the Law of Sines be used in the first step to solve an SA...
 6.2.6.2.59: Describe a strategy for solving an SAS triangle.
 6.2.6.2.60: Describe a strategy for solving an SSS triangle.
 6.2.6.2.61: Under what conditions would you use Heron s formula to find the are...
 6.2.6.2.62: Describe an applied problem that can be solved using the Law of Cos...
 6.2.6.2.63: The pitcher on a Little League team is studying angles in geometry ...
 6.2.6.2.64: The Law of Cosines is similar to the Law of Sines, with all the sin...
 6.2.6.2.65: If I know the measures of all three angles of an oblique triangle, ...
 6.2.6.2.66: I noticed that for a right triangle, the Law of Cosines reduces to ...
 6.2.6.2.67: Solving an SSS triangle, I do not have to be concerned about the am...
 6.2.6.2.68: The lengths of the diagonals of a parallelogram are 20 inches and 3...
 6.2.6.2.69: Use the figure to solve triangle Round lengths of sides to the near...
 6.2.6.2.70: The minute hand and the hour hand of a clock have lengths inches an...
 6.2.6.2.71: The group should design five original problems that can be solved u...
 6.2.6.2.72: Exercises 68 70 will help you prepare for the material covered in t...
 6.2.6.2.73: Exercises 68 70 will help you prepare for the material covered in t...
 6.2.6.2.74: Exercises 68 70 will help you prepare for the material covered in t...
Solutions for Chapter 6.2: The Law of Cosines
Full solutions for Precalculus  4th Edition
ISBN: 9780321559845
Solutions for Chapter 6.2: The Law of Cosines
Get Full SolutionsChapter 6.2: The Law of Cosines includes 70 full stepbystep solutions. Since 70 problems in chapter 6.2: The Law of Cosines have been answered, more than 70829 students have viewed full stepbystep solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780321559845. This textbook survival guide was created for the textbook: Precalculus, edition: 4. This expansive textbook survival guide covers the following chapters and their solutions.

Arctangent function
See Inverse tangent function.

Common ratio
See Geometric sequence.

Cone
See Right circular cone.

Course
See Bearing.

Derivative of ƒ at x a
ƒ'(a) = lim x:a ƒ(x)  ƒ(a) x  a provided the limit exists

Distance (on a number line)
The distance between real numbers a and b, or a  b

DMS measure
The measure of an angle in degrees, minutes, and seconds

Imaginary axis
See Complex plane.

Initial value of a function
ƒ 0.

Intercept
Point where a curve crosses the x, y, or zaxis in a graph.

Linear factorization theorem
A polynomial ƒ(x) of degree n > 0 has the factorization ƒ(x) = a(x1  z1) 1x  i z 22 Á 1x  z n where the z1 are the zeros of ƒ

Linear function
A function that can be written in the form ƒ(x) = mx + b, where and b are real numbers

Multiplicative inverse of a matrix
See Inverse of a matrix

Odd function
A function whose graph is symmetric about the origin (ƒ(x) = ƒ(x) for all x in the domain of f).

Order of magnitude (of n)
log n.

Power regression
A procedure for fitting a curve y = a . x b to a set of data.

Quadratic regression
A procedure for fitting a quadratic function to a set of data.

Reexpression of data
A transformation of a data set.

Third quartile
See Quartile.

Zoom out
A procedure of a graphing utility used to view more of the coordinate plane (used, for example, to find theend behavior of a function).