the remaining (exam is cumulative) Flashcards
1
Q
tanx= ?
A
sinx/cosx
2
Q
cotx=
A
cos/sin
3
Q
cscx=
A
1/sin
4
Q
secx=
A
1/cos
5
Q
what is the pythagorean identity
A
sin^2x+cos^2x=1
6
Q
what is an inverse trig function
A
a function that switches domain and range
7
Q
if sin^-1(x)=y, what is the inverse
A
siny=x
8
Q
define inverse property
A
if x is in the appropriate domain, the inverse will give back x
9
Q
how can trig applications be applied
A
one side and one angle OR 2 sides of the right triangle must be known
10
Q
what are the 3 main parts of the pythagorean identity
A
sin^2x+cos^2x=1
tan^2x+1=cotx
cot^2x+1=cscx
11
Q
what are the three main parts about the reciprocal identity
A
cscx=1/sinx
secx=1/cosx
cotx=cosx/sinx
12
Q
define identity
A
an equation that holds true for any angle
