Sohcahtoa Unit Circle

What is the ratio for Sine?

• Hypotenuse/Opposite

• Opposite/Hypotenuse

• Opposite/Adjacent

• Adjacent/Opposite

Find the value of tan A.

• 17/8

• 17/15

• 8/17

• 8/15

Based on the unit circle, what is the value of sin?

• y

• x

• x/y

• y/x

Sin

• opp/hyp

• adj/opp

Using θ as a reference angle, mark the triangle sides as Opp, Adj, and Hyp. Label these on the triangle on your paper.

• Hyp

• x

• Adj

• y

• Opp

• OP

Using θ as a reference angle, mark the triangle sides as Opp, Adj, and Hyp. Label these on the triangle on your paper.

• Adj

• OP

• Hyp

• y

• Opp

• x

• undefined

Answer explanation

For Right Triangle Trigonometry. The tan(A) equals which ratio?

• opposite/adjacent

• adjacent/opposite

• opposite/hypotenuse

• adjacent/hypotenuse

In each triangle ABC, angle C is a right angle. Find the value of the trig function indicated.

• A

• B

• C

• D

Using the Unit Circle, find the exact value of this trig function.

• 1

• 0

• -1

• undefined

• The correct answer is not listed