MATH GRADE 9 QUARTER 4 ASSESSMENT

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa

• Soh Cah Toa

• Soh Cah Tao

• Soh Ceh Toa

Give the Ratio for TAN X

• Adj/Opp

• Opp/Adj

• Adj/Hyp

• Opp/Hyp

Give the Ratio for SIN X

• opp/adj

• Adj/hyp

• Opp/hyp

• Opp/hyp

Give the Ratio for COS X

• Opp/Adj

• Adj/Opp

• Adj/Hyp

• Opp/Hyp

Using your calculator what is cosine 87

• 05

• .569

• .0523

• .5700

What leg is considered the hypotenuse?

• Any side

• the side opposite the smallest angle

• the side opposite the right angle

• the side opposite the shortest leg

Which trigonometric ratio is correct?

• sinA= opp/adj

• cosA= opp/hyp

• tanA= opp/adj

• sinA= adj/opp

Evaluate Cos 11 degrees to four decimal places.

• 0.9816

• 0.1944

• 0.1908

• 0.0044

What is the ratio of Tan B?

• 12/x

• 12/9

• 9/12

• x/9

What is the ratio of Sin x?

• 6/10

• 10/6

• x/6

• 6/x