Special Trig Values NEED TO REMEMBER Flashcards
1
Q
Basics sin 0 cos 0 sin 90 cos 90
A
Sin 0 = 0, so cos 90= 0
Cos 0 = 1 so sin 90 =1 too
2
Q
Sin 45 cos 45?
A
These will be the same
Thus sin 45 and cos 45 = root 2/2
3
Q
Sin 30 = cos 60
A
1/2
4
Q
Sin 60 = cos 30
A
Root 3 / 2
5
Q
Tan 0 and tan 90
A
Tan 0 we know is 0
Tan 90 we know is UNDEFINED
6
Q
Tan 30
A
Root 3 / 3
7
Q
Tan 45
A
This is 1 as it’s sin / cos which are both same
8
Q
Tan 60
A
Root 3