EXERCISE SET 6.3
Practice Exercises
In Exercises 1-6, use the figures to find the exact value of each
trigonometric function.
5
3
7
6
α
4
24
1. sin 20
2. cos 20
3. tan 20
6. tan 2a
4. sin 2a
5. cos 2a

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices