Trig Ratios and Identities

What can be entered into a calculator in order to solve for x:

 $\tan12\degree\ =\ \frac{22}{x}$  

•  $\frac{22}{\tan\left(12\degree\right)}$  

• 22 tan(12)

• 103.5

• none of these

Tags

CCSS.HSG.SRT.C.8

Which of these are correct ratios for the given triangle?

• $\sin40\degree\ =\ \frac{w}{28}$

• $\cos50\degree=\ \frac{w}{28}$

• $\sin40=\frac{28}{w}$

• $\cos50\degree=\frac{28}{w}$
  

Tags

CCSS.HSG.SRT.C.6

Susan is flying a kite, which gets caught in the top of a tree.  Which equation can be used to find the height of the tree?

•  $\sin\ 44\degree=\frac{x}{90}$  

•  $\cos44\degree=\frac{x}{90}$  

•  $\tan40\degree=\frac{x}{90}$  
  

•  $x^2+90^2=44^2$  

Tags

CCSS.HSG.SRT.C.8

Find x.

• 10
• √3
• 5
• 10√3

Tags

CCSS.HSG.SRT.C.8

Please select the correct solution 
cos ² x + sin ² x=  

• 1
• csc ² x + sec ² x
• sin ² x
• 1 - sin ² x

Tags

CCSS.HSF.TF.C.8

Please select the correct solution

• csc x
• sec x
• cot x
• tan x

Tags

CCSS.HSF.TF.C.8

True or false:
sin²θ = (sin θ)²

• True
• False

*

• csc x
• sec x
• cot x
• tan x

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.C.8

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.3

*

• cos x
• csc x
• sec x
• cot x

Tags

CCSS.HSF.TF.A.2

*

• sin x
• cos x
• tan x
• csc x

Tags

CCSS.HSF.TF.A.4