Consider an angle with a measure of θ=210 degrees. Sketch a diagram representing the situation.

Determine the measure of the reference angle for this angle.
_ °   

Now, determine the exact values of the following expressions. Your answers should include fractions and square roots, and not decimal values.

cos(θ)= 

sin(θ)=

tan(θ)=

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Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?