9.5 Trig Functions Flashcards
0
Q
trigonometric ratio
A
a ratio of the lengths of two sides of a RIGHT TRIANGLE
1
Q
trigonometry means…
A
measurement of triangles
2
Q
3 basic trig functions
A
sine —> “sin”
cosin —> “cos”
tangent —> “tan”
3
Q
we will only do sin, cos, and tan of ____ angles in ____ triangles
A
ACUTE angles in RIGHT triangles
4
Q
sin
A
hypotenuse
5
Q
cos
A
hypotenuse
6
Q
tan
A
adjacent
7
Q
how do we remember sin, cos, and tan?
A
SOH-CAH-TOA
