LawofCosines {MiscMath}R Documentation

Law of Cosines

Description

Use of the ancient law of cosines to determine the angle between two sides of a triangle, given lengths of all three sides. This is a generalization of Pythagoras' Theorem.

Usage

LawofCosines(sides)

Arguments

sides

a numeric vector of length 3, containing the side lengths.

Value

a numeric constant giving the angle in between the sides corresponding to the first two components in sides. Result is expressed in degrees.

Examples

LawofCosines(c(3, 4, 5))

[Package MiscMath version 1.1 Index]