4.1-4.5, 4.7 Review

A ramp is being built next to a 4-inch high sidewalk. The ramps angle of inclination is 10 degrees.  Estimate the length of the ramp to the nearest tenth of an inch. 

• 4.1 inches
• 3.9 inches
• 22.7 inches 
• 0.7 inches 

Tags

CCSS.HSG.SRT.C.8

What equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

Tags

CCSS.HSG.SRT.C.8

sin 7π/6

• 1/2
• -1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

sinθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.2

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.2

cos 5π/6

• -1/2
• 1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

tan 7π/4

• -1
• 1
• √2/2
• undefined

Tags

CCSS.HSF.TF.A.2

sec 3π/2

• 0
• undefined
• 1
• -1

Tags

CCSS.HSF.TF.A.2

cot 3π/4

• -√2/2
• -1
• 1
• √2/2

Tags

CCSS.HSF.TF.A.2

csc Θ = -√2

• 7π/4

• 3π/4

• 11π/6

• 7π/6

Tags

CCSS.HSF.TF.B.7