Practice with unit circle values

Which of the following defines a function f for which f (−x) = − f (x)?

• y = x²

• y = x³

• y = cos(x)

• y = sinx

We can use SOH-CAH-TOA for...

• All triangles

• Non-right triangles only

• Right triangles only

• Never

For what value of theta does

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• 
• 
• 

Tags

CCSS.HSF.TF.B.7

Find cos(A) if the terminal side of the angle, A, passes through (4, -3)

• 
• 
• 
• 

cos (π/4)

• √3/2
• √2/2
• 1/2
• 1

Tags

CCSS.HSF.TF.A.2

cos(π)

• √3/2
• -√2/2
• -1
• 1

Tags

CCSS.HSF.TF.A.2

cos(5π/4)

• -1/2
• √3/2
• √2/2
• -√2/2

Tags

CCSS.HSF.TF.A.2

If sin(A) = 0.4, then sin(-A) + csc(A) =

• - 0.15

• 0.15

• 0.65

• 2.1

• 
• 
• 
• 

• 18/30
• 24/30
• 18/24
• 24/18

Tags

CCSS.HSG.SRT.C.6