Trigonometric ratios Ms. Sanchez 2019_2020

In ABC below, the measure of ∠A = 90°, AB = 6, AC = 8, and BC = 10.
Which ratio represents sin B in the accompanying diagram of  $\Delta$ ABC ?

• $\frac{10}{8}$

• $\frac{8}{6}$

• $\frac{6}{8}$

• $\frac{8}{10}$

Tags

CCSS.HSG.SRT.C.6

Which ratio represents cos A in the accompanying diagram of  $\Delta$ ABC ?

•  $\frac{5}{13}$  

•  $\frac{12}{13}$  

•  $\frac{12}{5}$  

•  $\frac{13}{5}$  

Tags

CCSS.HSG.SRT.C.6

In right triangle JKL in the diagram below, KL = 7, JK = 24,

JL = 25, and ∠K = 90°

Which statement is not true?

• $\tan L=\frac{24}{7}$

• $\cos L=\frac{24}{25}$

• $\tan J=\frac{7}{24}$

• $\sin J=\frac{7}{25}$

Tags

CCSS.HSG.SRT.C.7

Right triangle ABC has legs of 8 and 15 and a hypotenuse of 17, as shown in the diagram below.

The value of the tangent of ∠B is

• 0.4706

• 0.5333

• 0.8824

• 1.8750

Tags

CCSS.HSG.SRT.C.6

In the diagram below, $\Delta$    ERM ∼ $\Delta$    JTM.

•  $\cos J=\frac{RM}{RE}$  

•  $\cos R=\frac{JM}{JT}$  

•  $\tan T=\frac{RM}{EM}$  

•  $\tan E=\frac{TM}{JM}$  

Tags

CCSS.HSG.SRT.A.2