Pure - Exact Trig Values Flashcards
1
Q
What is sin 0?
A
0
2
Q
What is sin 30?
A
1 / 2
3
Q
What is sin 45?
A
√2 / 2
4
Q
What is sin 60?
A
√3 / 2
5
Q
What is sin 90?
A
1
6
Q
What is cos 0?
A
1
7
Q
What is cos 30?
A
√3 / 2
8
Q
What is cos 45
A
√2 / 2
9
Q
What is cos 60?
A
1 / 2
10
Q
What is cos 90?
A
0
11
Q
What is tan 0?
A
0
12
Q
What is tan 30?
A
√3 / 3
13
Q
What is tan 45?
A
1
14
Q
What is tan 60?
A
√3
15
Q
What is tan 90?
A
Undefined
16
Q
How do you remember the exact sin values?
A
It is always √x / 2. Start from x=0 and increase by one each time, i.e sin 30 = √1 / 2 = 1 / 2
17
Q
How do you remember the exact cos values?
A
They are the reverse of the exact sin values
18
Q
How do you remember the exact tan values?
A
Sin/cos
