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# Solutions for Chapter 6-2: Oblique Triangles: Law of Cosines ## Full solutions for Precalculus with Trigonometry: Concepts and Applications | 1st Edition

ISBN: 9781559533911 Solutions for Chapter 6-2: Oblique Triangles: Law of Cosines

Solutions for Chapter 6-2
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##### ISBN: 9781559533911

Since 18 problems in chapter 6-2: Oblique Triangles: Law of Cosines have been answered, more than 21361 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus with Trigonometry: Concepts and Applications, edition: 1. Chapter 6-2: Oblique Triangles: Law of Cosines includes 18 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Precalculus with Trigonometry: Concepts and Applications was written by and is associated to the ISBN: 9781559533911.

Key Calculus Terms and definitions covered in this textbook
• Absolute maximum

A value ƒ(c) is an absolute maximum value of ƒ if ƒ(c) ? ƒ(x) for all x in the domain of ƒ.

• Additive identity for the complex numbers

0 + 0i is the complex number zero

• Binomial

A polynomial with exactly two terms

• Bounded

A function is bounded if there are numbers b and B such that b ? ƒ(x) ? B for all x in the domain of f.

• Common ratio

See Geometric sequence.

• Cone

See Right circular cone.

• Coordinate plane

See Cartesian coordinate system.

• De Moivre’s theorem

(r(cos ? + i sin ?))n = r n (cos n? + i sin n?)

• Dihedral angle

An angle formed by two intersecting planes,

• Distributive property

a(b + c) = ab + ac and related properties

• Exponential growth function

Growth modeled by ƒ(x) = a ? b a > 0, b > 1 .

• Hypotenuse

Side opposite the right angle in a right triangle.

• Midpoint (in Cartesian space)

For the line segment with endpoints (x 1, y1, z 1) and (x2, y2, z2), ax 1 + x 22 ,y1 + y22 ,z 1 + z 22 b

• Ordinary annuity

An annuity in which deposits are made at the same time interest is posted.

• Probability of an event in a finite sample space of equally likely outcomes

The number of outcomes in the event divided by the number of outcomes in the sample space.

Any one of the four parts into which a plane is divided by the perpendicular coordinate axes.

• Rose curve

A graph of a polar equation or r = a cos nu.

• Shrink of factor c

A transformation of a graph obtained by multiplying all the x-coordinates (horizontal shrink) by the constant 1/c or all of the y-coordinates (vertical shrink) by the constant c, 0 < c < 1.

• Standard form: equation of a circle

(x - h)2 + (y - k2) = r 2

• Ymin

The y-value of the bottom of the viewing window.

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