Unit circle
Area of Triangles
Law of Cosine
Law of Sine
Trig Functions
100
Using your chart: At tangent, what degrees are undefined?
90 & 270.
100
Find the Area of the triangle given below. Round to nearest tenth.
Area = ½ ab sinC
A = 187.9
100
Find the angle. Round to nearest tenth.
16.3 degrees
100
Find the missing side. Round to nearest tenth.
27.8
100
Find the missing side. Use Pythagorean theorem.
10
200
Fill in the radians for Quadrant 1
2π , π /6, π /4, π /3, π /2
200
Area = ½ ab sinC,
A= 4.3
200
In Δ A B C , A B = 5 c m , B C = 6 c m and ∠ B = 60° . Find the length of A C .
√31
200
Round to the nearest tenth.
If sides of a triangle are 5.5 and 4.7 respectively. Angle opposite to the side 5.5 is 63 degrees. Find the angle opposite to the side 4.7.
49.6
200
Find the leg and the hypotenuse.
Leg = 3
Hyp = 3√2
300
Fill in the cooridnates for Quadrant 2.
(0,1) (-1/2, √3/2) (-√2/2, √2/2) (-√3/2, 1/2) (-1,0)
300
Area = ½ ab sinC 
A= 28.2 cm2
300
Find the missing side.
The length of the two sides of a triangle is 6.5 cm and 9.4 cm respectively. Angle between them is 131 degrees.
14.5 cm
300
Round to nearest tenth.
Given sides a=10, b=5 and angle ∠A=100°. Find the corresponding value for ∠B.
29.5 degrees
300
Find A & B.
A = 5√3
B = 5
400
Fill in the degrees for Q3.
180, 210, 225, 240, 270.
400
Find the Area of the triangle given below.
Area = ½ ab sinC
A = 31.7 cm2
400
Find the missing side. Round to the nearest tenth.
8.6
400
Find the missing side. Round to nearest tenth.
8
400
Find all 6 trig ratios for theta shown in the triangle below. 
Sin: 16√3/32 CSC: 32√3/48 Cos: 16/32 SEC: 32/16 Tan: 16√3/16 COT: 16√3/48
500
Fill in the radians for Q4.
(0,-1) (1/2, -√3/2) (√2/2, -√2/2) (√3/2,-1/2)
500
Area = ½ ab sinC
1 2
A = 8.5
A = 19.1
500
A triangle has sides equal to 5 cm, 10 cm and 7 cm. Find ALL angles.
111.8°, 40.5°, 27.7°
500
Triangle PQR has ∠P = 63.5° and ∠Q = 51.2° and r = 6.3 cm. Find the other TWO sides and unknown angle. Round to the nearest tenth.
∠ R = 65.3°, p = 6.21 cm and q = 5.40 cm
500
Find all 6 trig ratios for theta shown in both triangles below.
Triangle 1 = Sin: 8/17 CSC: 17/8 Cos: 15/17 SEC: 17/15 Tan: 8/15 COT: 15/8
Triangle 2 = Sin: 4/8.5 CSC: 8.5/4 Cos: 7.5/8.5 SEC: 8.5/7.5 Tan: 4/7.5 COT: 7.5/4