8.1.2 Trigonometric Ratios Flashcards
1
Q
trigonometric ratio
A
a ratio of two sides of a right triangle
2
Q
sine of an angle
A
the ratio of the length of the leg opposite the angle to the length of the hypotenuse
3
Q
cosine of an angle
A
the ratio of the length of the leg adjacent to the angle to the length of the hypotenuse
4
Q
tangent of an angle
A
the ratio of the length of the leg opposite the angle to the length of the leg adjacent to the angle
5
Q
sine
A
sin A = a/c
sin B = b/c
6
Q
cosine
A
cos A = b/c
cos B = b/a
7
Q
tangent
A
tan A = a/b
tan B = b/a
