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# Geometry Chapter 9

### Geometry Chapter 9 vocabulary

a set of 3 positive intetegers a,b and c that satisfy the equaion c2=a2+b2 pythagorean triple
a ratio of the lengths of two sides in a right triangle trigonometric ratio
a trigonometric ratio abbreviated as tan tangent
a trigonometric ratio abbreviated as sin sine
a trigonometric ratio abreviated as cos cosine
when you look up at an object, the angle that your line of sight makes with a line drawn horizontally angle of evevation
when you look down at an object, the angle hat your line of sight makes with a line drawn horizontally angle of depression
to find the measures of all of the sides and angles of a right triangle solve a right triangle
abbreviated as tan-1 inverse tangent
abbreviated as sin-1 inverse sine
an inverse trigonometric ratio abbreviated as cos-1 inverse cosine
Created by: aelohaus