Chapter 6 - Trigonometric Functions Flashcards
1
Q
Sec(x)
A
1/cos(x)
2
Q
cosec(x)
A
1/sin(x)
3
Q
cot(x)
A
1/tan(x)
4
Q
Identity for sec^2(x)
A
1 + tan^2(x)
5
Q
Identity for cosec^2(x)
A
1 + cot^2(x)
6
Q
When is sec(x) undefined
A
values of x where cos(x) = 0
7
Q
When is cosec(x) undefined
A
values of x where sin(x) = 0
8
Q
When is cot(x) undefined
A
values of x where tan(x) = 0
9
Q
domain of y=sec(x)
A
x E R, x doesn’t = 90n/pi(n)/2
10
Q
range of y=sec(x)
A
y ≤ -1
y ≥ 1
11
Q
domain of y=cosec(x)
A
x E R, x doesn’t = 180n/pi(n)
12
Q
range of y=cosec(x)
A
y ≤ -1
y ≥ 1
13
Q
domain of y=cot(x)
A
x E R, x doesn’t = 180n/pi(n)
14
Q
range of y=cot(x)
A
y E R
15
Q
period of y=sec(x) and y=cosec(x)
A
360 degrees / 2pi rad
