Sohcahtoa Unit Circle

What is the ratio for Sine?

Find the value of tan A.

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

Sin

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

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

Let θ represent an angle on the unit circle, with $$0\le\theta\le\frac{\pi}{2}$$ , such that $$\tan\theta=\frac{\sqrt[]{3}}{3}$$ . Drag and drop the correct answer into each blank. $$\sin\left(3\theta\right)=$$ ​ (a)   $$\cos\left(-4\theta\right)=$$ ​ (b)  

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

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

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