Defining and Understanding Trigonometric Ratios

cos B =

• 8/17

• 8/15

• 15/8

• 8/21

• 17/15

Which one is one of the easy ways to learn trigonometric ratios?

• Sah Coh Toa

• Soh Cah Toa

• Soh Cah Tao

• Soh Ceh Toa

Find the ratio for cos A.

Note: A is the measured angle

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sin

• cos

• tan

• cot

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

• sin

• cos

• tan

• cot

What is sin(0^o)?

• 1

• -1

• 0

• √2/2

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

What is the ratio of the hypotenuse to the side adjacent to a given angle in a right

triangle?

• Secant

• Cosecant

• Tangent

• Cotangent

• 12/9

• 9/12

• 12/15

• 15/9

Set up the trigonometric ratio and SIMPLIFY