F3 KSSM Mathematics Chapter 6 Trigonometric Ratios Part 1

The diagram shows a right-angled triangle. Identify the opposite side of  $\angle KML$ . 

• KM

• KL

• LM

The diagram shows a right-angle triangle RST.  Identify the hypotenuse of  $\angle RTS$ . 

• RS

• RT

• ST

The diagram shows a right-angle triangle.  Identify the adjacent side with respect to $\theta$ in the right-angle triangle.

• p

• q

• r

Tags

CCSS.HSG.SRT.C.6

The diagram shows a right-angle triangle ABC. State the trigonometric ratio of sin $\theta$ . 

•  $\frac{AB}{AC}$  

•  $\frac{BC}{AC}$  

•  $\frac{BC}{AB}$  

•  $\frac{AB}{BC}$  

Tags

CCSS.HSG.SRT.C.6

The diagram shows a right-angle triangle. State the trigonometric ratio of tan θ.

• $\frac{x}{y}$

• $\frac{y}{x}$

• $\frac{x}{z}$

• $\frac{y}{z}$

Tags

CCSS.HSG.SRT.C.6

The diagram shows a right-angle triangle PQR. State the trigonometric ratio of cos θ.

• $\frac{PR}{PQ}$

• $\frac{PQ}{PR}$

• $\frac{QR}{PR}$

• $\frac{QR}{PQ}$

Tags

CCSS.HSG.SRT.C.6

The diagram shows a right-angle triangle. State the trigonometric ratio of tan θ.

• $\frac{9}{12}=\frac{3}{4}$

• $\frac{9}{15}=\frac{3}{5}$

• $\frac{15}{12}=\frac{5}{4}$

• $\frac{12}{9}=\frac{4}{3}$

Tags

CCSS.HSG.SRT.C.6

The diagram shows a right-angle triangle. State the trigonometric ratio of sin θ.

• $\frac{12}{16}=\frac{3}{4}$

• $\frac{12}{20}=\frac{3}{5}$

• $\frac{16}{20}=\frac{4}{5}$

• $\frac{20}{16}=\frac{5}{4}$

Tags

CCSS.HSG.SRT.C.6

The diagram shows a right-angle triangle. Choose the correct trigonometric ratios.

• sin θ = $\frac{DE}{DF}$

• cos θ = $\frac{DF}{EF}$

• tan θ = $\frac{DE}{EF}$

Tags

CCSS.HSG.SRT.C.6

The diagram shows a right-angle triangle. Which of the following trigonometric ratios is INCORRECT?

• sin θ = $\frac{MN}{LN}$

• cos θ = $\frac{LM}{LN}$

• tan θ = $\frac{LM}{MN}$

Tags

CCSS.HSG.SRT.C.6