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# Chapter ... Geometry

WordDefinition
Pythagorean Triple a set of positive integers that satisfy the equation, a^2+b^2=c^2
Trigonomic Ratio The ratio of two lengths of two sides in a right triangle.
Tangent The ratio of the lengths of the legs in a right triangle.
Sine Trigonomic ratio for acute angles that involves the lengths of the hypotonuse of a right triangle.
Cosine Trigonomic ratio for acute angles that involves the lengths of the hypotonuse of a right triangle.
Angle of Elevation If you look up at an object, the angle your line of sight makes with a horizontal line.
Angle of Depression If you look down at an object, the angle your line of sight makes with a horizontal line.
Solve a Right Triangle to find the measures of all angles and sides.
Inverse of Tangent an inverse tangent ratio, abbreviated as tan^-1. For acute angle A, if tan A = x, then tan^-1(x) = m angleA
Inverse of Cosine an inverse tangent ratio, abbreviated as cos^-1. For acute angle A, if cos(A)=Z, then cos^-1(z) = m angle A.
Inverse of Sine An inverse trigonomic ratio, abbreviated as sin^-1. For acute acute angle A, if A = y, then sin^-1(y) = m angle A.
Created by: 1430116769