CHAPTER 5 : TRIGONOMETRIC RATIOS

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa

• Soh Cah Toa

• Soh Cah Tao

• Soh Ceh Toa

State the adjacent side for the angle x in the right-angled triangle.

State the hypotenuse for the angle x in the right-angled triangle.

What is the correct ratio for cos x?

• 6/10

• 6/8

• 8/10

• 8/6

What is the correct ratio for tan z?

• ⁷/₂₄

• ²⁴/₇

• ⁷/₂₅

• ²⁴/₂₅

State the opposite side for the angle x in the right-angled triangle.

Determine the value of  $\cos\ \theta$  based on the right-angled triangle.

•  $\frac{3}{4}$  

•  $\frac{3}{5}$  

•  $\frac{4}{5}$  

•  $\frac{4}{3}$  

Determine the value of  $\tan\ \theta$  based on the right-angled triangle.

•  $\frac{3}{4}$  

•  $\frac{3}{5}$  

•  $\frac{4}{5}$  

•  $\frac{4}{3}$  

The longest side opposite to the right angle is known as the _______________ of the right-angled triangle.

• hypotenuse

• adjacent side

• opposite side

What is the ratio of COSINE?

•  $\frac{Opposite\ side}{Hypotenuse}$  
   $\frac{panjang\ sisi\ berten\tan gan}{hipotenus}$ 

•  $\frac{Adjacent\ side}{Hypotenuse}$  
   $\frac{panjang\ sisi\ bersebelahan}{hipotenus}$  
  

•  $\frac{Opposite\ side}{Adjacent\ side}$  
   $\frac{panjang\ sisi\ berten\tan gan}{panjang\ sisi\ bersebelahan}$