Finding Six Trig Ratios in Right Triangles

What type of triangles do you use the trig ratios with?

• any type

• right triangle

• obtuse triangle

• acute triangle

Find tan(X)

Mathematical Equivalence

ON

Find cos(A)

Mathematical Equivalence

ON

Find sin(A)

Mathematical Equivalence

ON

What is the ratio for Sine?

• Hyp/Opp

• Opp/Hyp

• Opp/Adj

• Adj/Opp

Which trig equation would you use to find the measure of the indicated angle (?)

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

Set up the problem so that you can solve for X.

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

• 44.55
• 22.69
• 41.66
• 38.49