Trig 4.1 and 4.3 Flashcards
1
Q
converting radians to degrees
A
multiply radians by 180/π
1
Q
conversing degrees to radians
A
multiply degrees by π/180
2
Q
coterminals for radians
A
add/subtract 2π
3
Q
coterminals for radians
A
add/subtract 360
4
Q
0 or 360 degrees to rad
A
2π
5
Q
90 degrees to rad
A
π/2
6
Q
180 degrees to rad
A
π
7
Q
270 degrees to rad
A
3π/2
8
Q
opposite of 30 in 30-60-90 triangle
A
x
9
Q
opposite of 60 in 30-60-90 triangle
A
x√3
10
Q
opposite of 90 in 30-60-90 triangle
A
2x
11
Q
opposite of 45 in 45-45-90 triangle
A
s
12
Q
opposite of 90 in 45-45-90 triangle
A
s√2
13
Q
csc is opposite of
A
sin
14
Q
sec is opposite of
A
cos
15
Q
A
