Formulas Flashcards
0
Q
Sin’X+cos’X
A
1
1
Q
cot’X + 1
A
Cosec’X
2
Q
tan’X + 1
A
Sec’X
3
Q
CosecX
A
1
_____
SinX
4
Q
SecX
A
1
______
CosX
5
Q
TanX
A
SinX
_____
CosX
6
Q
0 - 90 degrees (first quadrant)
A
All positive
SinX= 0
CosX = 1
TanX = 0
7
Q
90 - 180 degrees (second quadrant)
A
Sin positive
Sin90 = 1
Cos90 = 0
Tan90 = n/a
8
Q
180 - 270 degrees (third quadrant)
A
Tan positive
Sin180 = 0
Cos180 = -1
Tan180 = 0
9
Q
270 - 360 (fourth quadrant)
A
Sin270 = -1 Cos270 = 0 Tan270 = n/a
10
Q
CotX
A
CosX
_____
SinX
11
Q
CotX
A
1
____
TanX
