trig functions

The ratio in a right triangle of adjacent to hypotenuse is _____

• sine
• cosine
• tangent
• inverse cosine

Tags

CCSS.HSG.SRT.C.6

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x

Tags

CCSS.HSG.SRT.C.6

Find the length of side w.

• 21.4 cm
• 18.0 cm
• 36.5 cm
• 43.6 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find x round to the nearest tenth.

• 46.1

• 4.9

• 16.4

• 26.9

Tags

CCSS.HSG.SRT.C.8

find sin x if cos x = $\frac{2}{3}$  

•  $\frac{9}{25}$  

•  $\frac{3}{\sqrt{5}}$  

•  $\frac{\sqrt{5}}{3}$  

•  $\frac{1}{2}$  

Tags

CCSS.HSF.TF.C.8

 $\cos\ \frac{7\pi}{12}$  

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{\pm\sqrt{6}+\sqrt{2}}{4}$  

•  $-\frac{\sqrt{2}}{2}$  

•  $\frac{-\sqrt{6}+\sqrt{2}}{4}$  

Tags

CCSS.HSF.TF.C.9

 $find\ \ \ \ \tan2\theta\ \ \ \ \ \ if\ \cos\theta=-\frac{1}{3}\ \ and\ 90<\theta<180$  

•  $\frac{4\sqrt{2}}{7}$  

•  $-\frac{2\sqrt{4}}{7}$  

•  $\frac{4\sqrt{7}}{2}$  

•  $\frac{-4\sqrt{2}}{7}$  

Tags

CCSS.HSF.TF.C.9

Given that  $\left(-4,3\right)$  is on the terminal side of angle  $\theta,$  what is the cos of  $\theta?$   

•  $\frac{4}{5}$  

•  $\frac{3}{5}$  

•  $-\frac{4}{5}$  

•  $-\frac{3}{5}$  

Tags

CCSS.HSF.TF.A.2

Given that  $\left(-12,-5\right)$  is on the terminating side of  $\theta$ , which of the following are true?  Select all that apply. 

•  $\sin\ \theta\ =\frac{5}{13}$  

•  $\cos\ \theta=-\frac{12}{13}$  

•  $\tan\theta=\frac{5}{12}$  

•  $only\ \tan\ and\ \cot\ are\ positive$  

•  $only\ \sin\ and\ \csc\ are\ positive$  

Tags

CCSS.HSF.TF.C.8

To convert radians to degrees, multiply the radian angle measure by  $\frac{180}{\pi}.$  So  $\frac{\pi}{4}$  radians is equal to ________degrees.

Tags

CCSS.HSF.TF.A.1