9.4 and 9.5 review

9.4 and 9.5 review

Soh Cah Toa

Sin opp/hyp

Cos ajd/hyp

Tan opp/adj

Multiple Choice

Which Trig function is opp/adj?

• Sin

• Cos

• Tan

Multiple Choice

Which Trig function is ajd/hyp?

• Sin

• Cos

• Tan

Multiple Choice

What is sinX?

• 12/37

• 12/25

• 25/37

• 35/37

Multiple Choice

What is cosZ?

• 8/17

• 15/17

• 8/15

• 15/8

Use a calc usually trig button first

Use phone calc usually number then trig button

Fill in the Blank

Use a calculator to find
 $8\times\sin37$  
Round to nearest tenth.

Fill in the Blank

Use a calculator to find
 $52\times\cos18$  
Round to nearest tenth.

Fill in the Blank

Use a calculator to find
 $28\div\tan56$  
Round to nearest tenth.

Fill in the Blank

Use a calculator to find
 $67\div\sin23$  
Round to nearest tenth.

Multiple Choice

If x is on top of trig function then we....

• multiply

• divide?

Multiple Choice

What is the setup for the triangle?

• sin46=x/17

• cos46=x/17

• tan46=x/17

• cos46=17/x

Multiple Choice

What is the setup for the triangle?

• sin49=20/x

• sin49=x/20

• cos49=x/20

• tan49=x/20

Multiple Choice

What is the setup for the triangle?

• sin62=14/x

• sin62=x/14

• cos62=x/14

• tan62=14/x