MBF3C
Date: _
Trigonometry Review
1. Find the value of side x, rounded to the nearest tenth
15
x
13
2. Find the value of angle
and side x, rounded to the nearest tenth
rounded to the nearest degree
x
MBF3C
Date: _
Primary Trigonometry Ratios Angles Practice
1. Evaluate each of the following to the nearest degree.
a) sin a = 0.34
b) cos b = 0.5
c) tan c = 0.466
d) sin d = 0.951
e) cos e = 0.574
f)
MBF3C
Date: _
SAMPLING TECHNIQUES PRACTICE
1. Choose the best sampling technique for each survey. Explain your choice.
a) A bolt manufacturer wants to determine the average length of bolt being made b
MBF3C
Date: _
Probability Warm-Up
Probability deals a lot with percentages, fractions, and interpreting data. To help prepare for this unit,
complete each of the following questions and then complete
MBF3C
Date: _
Cosine Law Practice
1. For ABC, the cosine law for side a is: a 2 = b2 + c2 2bc cos A Without using your notes, use
this formula as a model to write the cosine law for the remaining side
MBF3C
Date: _
Sine Law Practice
1. Solve for the unknown value to the nearest tenth
a
52
s in B s in 84
a)
=
b)
=
s in 42 s in 68
11
19
2. Find the measure of C to the nearest degree
a)
b)
3. Find t
MBF3C DCITE:
COLLECT & ANALYZE DATA
Now that we know how to choose an unbiased sample, we now need to go out and collect the data.
Sampling techniques: Simple Random Sample Cluster Sample Stratifi