Convert 140 degrees to radians
7pi/9
Convert to DMS form
36.875 degrees
36 degrees 52 minutes 30 seconds
Give two coterminal angles for each given angle, one positive and one negative.
195 degrees
555 degrees
-165 degrees
Find the arc length
Arc: 120 degrees
Radius: 1.8ft
6pi/5 ft or 3.8ft
The fan on a pool heater has a diameter of 107 cm and rotates at a rate of 212 revolutions per minute.
Find linear speed in centimeters per minute.
22,684pi cm/min
or 71,263 cm/min
Trig functions that are positive in quadrant I?
ALL
What is the amplitude of y=2sin(x)+3
a=2
Convert 108 degrees to radians
3pi/5
Convert to DMS form
-238.145 degrees
-238 degrees 8 minutes 42 seconds
Give two coterminal angles for each given angle, one positive and one negative.
319 degrees
679 degrees
-41 degrees
Find the arc length
Arc: 45 degrees
Radius: 2.2m
11pi/20m or 1.7 m
The fan on a pool heater has a diameter of 107 cm and rotates at a rate of 212 revolutions per minute.
Find angular speed in radians per minute.
424pi rad/min
or
1,332 rad/min
Quadrant where sec > 0 and csc < 0
Quadrant IV
What is the equation of the midline of y=-3cos(1/2x)+3
y=3
Convert -9pi/5 to degrees
-324 degrees
Convert to decimal degrees
54 degrees 26 minutes 18 seconds
54.4383 degrees
Give two coterminal angles for each given angle, one positive and one negative.
3pi/5 radians
13pi/5 radians
-7pi/5 radians
Find the area of the sector:
Central angle: 88 degrees
Radius: 19ft
277.2 ft^2
A skateboard wheel with a 56-millimeter diameter makes 430 revolutions per minute. Find the linear speed of the wheel in meters per second.
1.3 m/sec
Quadrant III positive values
tan and cot
How many transformations take place in y=-3cos(3x+5)-1
5
Convert -7pi/18 to degrees
-70 degrees
Convert to decimal degrees
-303 degrees 20 minutes 14 seconds
-303.3372 degrees
Give two coterminal angles for each given angle, one positive and one negative.
11pi/7 radians
25pi/7 radians
-3pi/7 radians
Find the area of the sector:
Central angle: 215 degrees
Diameter: 9ft
38 yd^2
A bicycle tire with a 12-inch radius is making 175 revolutions per minute. Find the linear speed in miles per hour.
12.5 mi/hr
Quadrant where tan < 0 and cos < 0
Quadrant II
What is the horizontal shift in y=4sin(2x-6) +3
3 right
Convert 190 degrees to radians
19pi/18
Convert to decimal degrees
289 degrees 5 minutes 30 seconds
289.0916 degrees
Give two coterminal angles for each given angle, one positive and one negative.
19pi/6 radians
7pi/6 radians
-5pi/6 radians
A wall clock is equally divided into 12 sections. If the clock reads 8:00 and has a diameter of 12.5 inches, find the area of the smaller sector formed by the minute and hour hands.
40.9 in^2
A record with a diameter of 12 inches rotates at 33 revolutions per minute. Find the angular speed of the record in radians per millisecond.
0.0035 rad/ms
Quadrant IV negative values
sin
csc
tan
cot
What is the period for
y=2cos(1/3x-6)-4
y=2cos1/3x -4
6pi