Intro to Trig

What is the ratio for Tangent

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

What is the ratio for Cosine?

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

What is the ratio for Sine?

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

• A
• B
• C
• D

• A
• B
• C
• D

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
• cotangent

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 acute angles of right triangles.