Chapert 7.1 Flashcards
1
Q
Convert 21.256 degrees
A
21.256 degrees =21+0.256 =21 degrees +(0.256)(60') =21 degrees +15.36' =21 degrees +15' + (.36)(60") =21 degrees 15' 22"
2
Q
Arc Length
A
s=r(theta)
3
Q
Covert degrees to radian
A
1 degree= (pie)180
4
Q
Convert radian to degrees
A
1 radian= 180/(pie)
5
Q
Quadrant 1 radians and degrees
A
O degrees=0 radians 30 degrees= (pie)/6 45degrees= (pie)/4 60 degrees= (pie)/3 90 degrees= (pie)/2
6
Q
Quadrant 2 radians and degrees
A
120 degrees= 2(pie)/3
135 degrees= 3(pie)/4
150 degrees= 5(pie)/6
180 degrees= (pie)
7
Q
Quadrant 3 radians and degrees
A
210 degrees= 7(pie)/6
225 degrees= 5(pie)/4
240 degrees= 4(pie)/3
270 degrees= 3(pie)/2
8
Q
Quadrant 4 radians and degrees
A
300 degrees= 5(pie)/3
315 degrees= 7(pie)/4
330 degrees= 11(pie)/6
360 degrees= 2(pie)
9
Q
Area of a Sector
A
A=1/2(r^2)(theta)
10
Q
Linear speed
A
V=s/t
11
Q
Angular speed
A
W=(theta)/t
12
Q
Convert 50degrees 6’ 21”
A
50degrees 6’ 21”
=50 degrees +6(1\60)degrees +21(1/60*1/60)
=50degrees =0.1+0.0058
=50.1058
