Chapter 7.3 Flashcards

1
Q

Sin(38)-cos(52)

A

Cos(90-38)-cos52
Cos52-cos52
=0

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

4cos(45)-2sin(45)

A

4(\____2/2)-2(\____2/2)

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

6tan(45)-8cos(60)

A

6(1)-8(1/2)
6-4
=2

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

Sin^2(30)+cos^2(60)

A

(1/2)^2+(1/2)^2
1/4+1/4
=1/2

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