DOMAIN OF TRIG. FUNCTIONS Flashcards
where are the 6 trig. functions defined at?
1
Q
sin x
A
all real numbers
2
Q
cos x
A
all real numbers
3
Q
tan x
A
undefined at odd multiples of pi/2
4
Q
sec x
A
undefined at odd multiples of pi/2
5
Q
cot x
A
undefined at integer multiples of pi
6
Q
csc x
A
undefined at integer multiples of pi
7
Q
which two trig. functions are undefined at integer multiples of pi?
A
cot x and csc x
8
Q
which two trig functions are undefined at odd multiples of pi/2?
A
tan x and sec x
9
Q
which two trig functions are defined for all real numbers?
A
sin x and cos x
