Year 12 Trigonometry Refresher

Which one is the easy way to remember trigonometric ratios?

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

• 27/36
• 27/45
• 45/36
• 45/27

• 18/30
• 24/30
• 18/24
• 24/18

• 14/48
• 48/50
• 14/50
• 48/14

Choose the correct ratio.

• cos(33)=x/14
• sin(33)=x/14
• cos(33)=14/x
• sin(33)=14/x

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

What is 240 degrees in radians? 

• π/3
• 4π/3
• 5π/3
• 2π/3
• None or I don't know

What is the amplitude of the graph? 

• 1
• 3
• 6
• 9

what is the amplitude of y=3sin(7x)-2

• 7
• -2
• 3
• 6

what is the period of y= -3sinx

• π
• 2π
• 3π
• 4π