radians v. degrees
is it on the unit circle?
is it the same?
find the other angle
Bonus
100
change 110 degrees to radians
11pi/18
100
is (1,0) on the unit circle?
yes, 1^2 + 0^2 = 1
100
does cos 25 = cos 155?
NO!
100
what is the other angle on a unit circle that has the same cosine as 45 degrees?
315 (cosine reflects across the x axis)
100
The amount of brothers and sisters Mr. Smucker have?
What is 2 sisters
200
change 2pi/3 to degrees
120 degrees
200
is (2, 0) on the unit circle?
no, 2^2 + 0^2 does not equal 1
200
is sin 9pi/4 equal to sin pi/4?
YES! (change radians to degrees first)
200
what is the other angle on the unit circle that has the same sine as 180 degees?
0 degrees. sine reflects across the y axis.
200
Mr. Smucker's favorite food
what is pizza
300
change 90 degrees to radians
pi/2
300
is (1/2, sq rt 2) on the unit circle?
no .5^2 + 1.4142 ^2 does not equal 1
300
does cos 55 = cos 35?
NO!
300
what angle between 0 and 360 is in the same location as 525 degrees?
165 degrees
300
What was the historical purpose of logarithms?
Navigation
400
change 4pi/3 to degrees
120 degrees
400
is (-3/5, -4/5) on the unit circle?
yes, -.6^2 + -.8^2 =1
400
does sine squared + cosine squared = 0?
NO!, it equals 1
400
what other angle on the unit circle has the same location as -25 degrees?
335 degrees
400
Which does Mr. Smucker prefer coke or pepsi
coke
500
change 270 degrees to radians
3pi/2
500
is (4/5, 1/5) on the unit circle?
no, .8^2 + .2^ 2 does not equal 1
500
does sin 50= cos (90-50)?
YES! sine of an angle= cosine of 90 MINUS that angle!
500
what other angle has the same cosine as 100 degrees?
260. cosine reflects across the x axis.
500
What is the name of mr. Smucker's cat?
Blazer
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