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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Sin 45 cos 45?

A

These will be the same

Thus sin 45 and cos 45 = root 2/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Sin 30 = cos 60

A

1/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sin 60 = cos 30

A

Root 3 / 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Tan 0 and tan 90

A

Tan 0 we know is 0
Tan 90 we know is UNDEFINED

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Tan 30

A

Root 3 / 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Tan 45

A

This is 1 as it’s sin / cos which are both same

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Tan 60

A

Root 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly