Trig Functions Flashcards
1
Q
Cost
A
X
2
Q
Tant
A
Y/X X can’t equal 0
3
Q
Csct
A
1/y y can’t equal 0
4
Q
Sect
A
1/X
X can’t equal 0
5
Q
Cot t
A
X/y
Y can’t equal 0
6
Q
Sinx
A
1/cscx
7
Q
Cscx
A
1/Sinx
8
Q
Cosx
A
1/secx
9
Q
Secx
A
1/cosx
10
Q
Tanx
A
1/cotx
11
Q
Cotx
A
1/Tanx
12
Q
Tanx quotient
A
Sinx/cosx
13
Q
Cotx quotient
A
Cosx/Sinx
14
Q
Sin squared X + cos squared X
A
1
15
Q
1+tan squared X
A
Sec squared X
16
Q
1 + cot squared X
A
Csc squared X
17
Q
Even functions
A
Cosine, secant
18
Q
Even functions is
A
Cos(-X) = cosx
19
Q
Odd functions
A
Sine
Tangent
Cotangent
Cosecant
20
Q
Odd function is
A
Sin(-X)=-sin(X)
21
Q
45 triangle hype is 1
A
1
Square root of 2/2
Square root of 2/2
22
Q
369 triangle hyp is 1
A
1, 1/2, square root of 3/2
23
Q
What is 60 across from
A
Square root of 3/2
24
Q
Angular velocity
A
Central angle/time
Theta/t
25
Linear velocity
Arch length/time
| S/t
26
Arch length and radians and angle measure
Angle measure = arch length/radians
27
Radians to degrees
Y x 180/pi
28
Degrees to radians
Y x pi/180
29
What is a radian
Initial side equal to arch length
30
How to find ℅ terminal angle
Add or subtract 2 pi
31
Sint
Y
