Section 1 Flashcards
1
Q
Distance formula?
A
√(delta x^2 + delta y^2)
2
Q
sinØ =
A
y/r
3
Q
cosØ =
A
x/r
4
Q
tanØ =
A
y/x
5
Q
cotØ =
A
x/y
6
Q
secØ =
A
r/x
7
Q
cscØ =
A
r/y
8
Q
Pos/neg for sinØ and cscØ?
A
+ + - -
9
Q
Pos/neg for cosØ and secØ?
A
+ - - +
10
Q
Pos/neg for tanØ and cotØ?
A
+ - + -
11
Q
Reciprocal of cscØ =
A
1/sinØ
12
Q
Reciprocal of secØ =
A
1/cosØ
13
Q
Reciprocal of cotØ =
A
1/tanØ
14
Q
Ratio of tanØ =
A
sinØ / cosØ
15
Q
Ratio of cotØ =
A
cosØ / sinØ
