U8 - L1 - Trig Ratios

Which one is the easy way to remember trigonometric ratios?

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

From ∠C, what side is AB?

• Adjacent
• Hypotenuse
• Opposite

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

• sine
• cosine
• tangent

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

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706
• 1.875
• .8824
• .5333

If you are given 2 of the sides to an obtuse triangle, which trig function should you use to find the other side?

• sine
• cosine
• tangent
• You can only use trig functions on right triangles.