Trigonometric ratios (extra credit)

One revolution equates to:

• 90

• 180

• 360

• 45

Which one is the easy way to remember trigonometric ratios?

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

Negative angles are measured clockwise

• TRUE

• FALSE

A​ (a)   is Is the angle that the terminal side of a given angle makes with the x-axis. It will always be acute and positive.

• reference angle
• Angle in standard position
• Coterminal angle
• Negative angle

An angle in _________ position has its vertex at the origin and its initial side lies on the positive x-axis.

Choose the correct number for each quadrant

a

b

c

d

II

IV

III

I

Join each angle with its coterminal.

Give the Ratio for TAN X

• Adj/Opp
• Opp/Adj
• Adj/Hyp
• Opp/Hyp

Which of the following is the correct ratio for tangent of angle C, tan C?

• 27/36
• 27/45
• 45/36
• 45/27