Pythagorean Theorem & Trig Ratios
Right Triangle Trig
Exact Values & Unit Circle
Converting Radians and Degrees
Coterminal Angles & Plotting Angles
100
What is the sine of theta ?
8/17
100
Use trig to find the length of x. Round to the nearest tenth.
16.7
100
Use the unit circle to find the value of: tan (45^o)
1
100
What would you multiply any angle in degrees by in order to change it to radians?
pi/180^o
100
Find one positive and one negative coterminal angle for 50^o
410 degrees & -310 degrees
200
What is the Csc of theta?
17/8
200
Find the length of side b. (round to the nearest tenth)
6.6
200
Use the unit circle to find the value of: sin(210^o)
-1/2
200
Convert 180^o to radians
pi
200
What is the positive coterminal angle shown in the diagram to 45^o
405^o
300
Find the missing side of the right triangle
5
300
Find the length of the hypotenuse. (round to the nearest tenth)
30.2
300
Use the unit circle to find the value of: csc((7pi)/6)
-2
300
Convert -120^o to radians
(2pi)/3
300
What quadrant would -95^o be in?
Quadrant III (3)
400
What is the tan of theta?
5/12
400
Find the missing angle theta? (round to the nearest whole degree)
61 degrees
400
Use the unit circle to find the value of: sec(315^o)
sqrt2
400
Convert to degrees
(3pi)/2
270^o
400
What quadrant would (9pi)/4 be located in?
Quadrant I
500
Suppose theta is an acute angle of right trinagle and that sintheta=15/17 , what is the costheta ?
8/17
500
A skateboard ramp will have a height of 42 inches, and the angle between the ramp and the ground will be at 20^o . What will be the length of the ramp ? (hypotenuse is the length). Round to the nearest tenth of an inch.
122.8 inches
500
Use the unit circle to find the value of: cot ((7pi)/4)
-1
500
Convert to degrees (5pi)/8
112.5^o
500
What angle that is between 0 and 360 is coterminal with 800^o
80^o