Unit Circle: Finding Values with Trig Functions

Negative angles are measured in which direction from standard position?

• Clockwise
• Counterclockwise

Standard position is when .....

• the initial side of the angle is on the positive x-axis.
• the initial side of the angle is on the negative x-axis.
• the initial side of the angle is on the positive y-axis.
• the initial side of the angle is on the negative y-axis.

Tags

CCSS.5.G.A.1

Positive angles are measured in which direction from standard position?

• Clockwise
• Counterclockwise

Tags

CCSS.HSF.TF.A.2

Which one is the easy trick to remember trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

Tags

CCSS.HSG.SRT.C.6

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm

Tags

CCSS.8.G.B.7

If angle A in standard position has its terminal side passing through the point (-3, 4), find sin A.

• -3/5
• -4/5
• 3/5
• 4/5

Tags

CCSS.HSF.TF.A.2

If tan A = 8/5, and angle A is in quadrant 3, find sec A.  

• -√89/5
• √89/5
• -5√89/89
• 5√89/89

Tags

CCSS.HSG.SRT.C.8

If θ is in quadrant IV and cosθ = 5/13, what is sin θ?

• 12/13
• -12/13
• 5/12
• -5/12

Tags

CCSS.HSG.SRT.C.7