Trig Ratios + Reciprocals

Which one is the easy way to remember trigonometric ratios?

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

If you are given the opposite side and hypotenuse, which trig function should you use?

• sine
• cosine
• tangent

If you are given the hypotenuse and an adjacent side, which trig function should you use?

• sine
• cosine
• tangent

• X

• Y

• Z

• X

• Y

• Z

• A

• B

• C

The reciprocal of sine is

• cosine or cos

• secant or sec

• cosecant or csc

The reciprocal of cosine is

• sine or sin

• secant or sec

• cosecant or csc

The reciprocal of tangent is

• secant or sec

• cosecant or csc

• cotangent or cot