Geometry Section 9.2 Sine and Cosine Day 1

Geometry Section 9.2 Sine and Cosine

Using Sine and Cosine to find missing sides and angles of triangles.

Multiple Choice

Find

$$\tan\angle A=?$$  

• $$\frac{4}{3}$$  

• $$\frac{3}{4}$$  

• $$\frac{3}{5}$$  

• $$\frac{4}{5}$$  

Multiple Choice

Find

$$\tan\angle B=?$$  

• $$\frac{4}{3}$$  

• $$\frac{3}{4}$$  

• $$\frac{3}{5}$$  

• $$\frac{4}{5}$$  

Multiple Choice

Find

$$m\angle B=?$$  

• $$\frac{4}{3}$$  

• $$\frac{3}{4}$$  

• $$37\degree$$  

• $$39\degree$$  

Multiple Choice

Use the sin A to find the measure of angle A.

• $$23\degree$$

• $$67\degree$$

• $$25\degree$$

• $$65\degree$$

• $$21\degree$$

Multiple Choice

Use the cos B to find the measure of angle B.

• $$23\degree$$

• $$67\degree$$

• $$25\degree$$

• $$65\degree$$

• $$43\degree$$

Multiple Choice

Solve for x.

• $$60$$

• $$30$$

• $$76$$

• $$56$$

Solving when x is in the denominator.

Multiple Choice

Solve for x.

• $$15.7$$

• $$36.6$$

• $$31.8$$

• $$20.9$$

Homework

• Formative 9.2

• #1, 2, 3, 7, 9, 12, 14, 15