Trigonometry Flashcards
(18 cards)
1
Q
sin(-x)
A
-sinx
2
Q
sin(pi-x)
A
sinx
3
Q
sin(x+pi)
A
-sinx
4
Q
sin(x+2pi)
A
sinx
5
Q
cos(-x)
A
cosx
6
Q
cos(pi-x)
A
-cosx
7
Q
cos(pi+x)
A
-cosx
8
Q
cos(2pi+x)
A
cosx
9
Q
tan(-x)
A
-tanx
10
Q
tan(pi+x)
A
tanx
11
Q
sin(pi/2 - x)
A
cosx
12
Q
cos(pi/2 - x)
A
sinx
13
Q
sin(pi/2 + x)
A
cosx
14
Q
cos(pi/2 + x)
A
-sinx
15
Q
cotx
A
1/tanx or cosx/sinx
16
Q
secx
A
1/cosx
17
Q
cosecx
A
1/sinx
18
Q
cos(arccosx)
sin(arcsinx)
tan(arctanx)
A
x
