Special angles memorization Flashcards
(16 cards)
1
Q
What is sin 45
A
1/√2
2
Q
what is cos 45
A
1/√2
3
Q
what is tan 45
A
1
4
Q
what is sin 30
A
1/2
5
Q
what is cos 30
A
√3/2
6
Q
what is tan 30
A
1/√3
7
Q
what is sin 60
A
√3/2
8
Q
what is cos 60
A
1/2
9
Q
what is tan 60
A
√3
10
Q
what is formula for csc
A
1/sin
11
Q
what is formula for sec
A
1/cos
12
Q
what is formula for cot
A
1/tan
13
Q
what are the cotermanels of 45
A
135, 225, 315
14
Q
what are the cotermanels of 30
A
150, 210, 330
15
Q
what are the cotermanels of 60
A
120, 240, 300
16
Q
which 2 quadrant angles are undefined
A
tan 90 and tan 270
