Trig Identities and Derivatives Flashcards
1
Q
tan(x)
A
sin(x)/cos(x)
2
Q
csc(x)
A
1/sin(x)
3
Q
sec(x)
A
1/cos(x)
4
Q
cot(x)
A
cos(x)/sin(x)
5
Q
(sin^2)+(cos^2)
A
1
6
Q
1+(tan^2)
A
sec^2
7
Q
1+(cot^2)
A
csc^2
8
Q
sin2x
A
2sinxcosx
9
Q
tan2x
A
(2tanx)/(1-tan^2 x)
10
Q
sin^2
A
(1-cos2x)/2
11
Q
cos^2
A
(1+cos2x)/2
12
Q
d/dx sinx
A
cosx
13
Q
d/dx cosx
A
-sinx
14
Q
d/dx tanx
A
sec^2
15
Q
d/dx cscx
A
-cscx * cotx
