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Geometry Chapter 9
Geometry Chapter 9 vocabulary
Question | Answer |
---|---|
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 |