Trig Ratios Warm-up

What is the ratio for Cosine?

• Opposite/Hypotenuse

• Opposite/Adjacent

• Adjacent/Opposite

• Adjacent/Hypotenuse

What is the correct ratio?

• 9/41
• 40/41
• 9/40
• 40/9

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

• sine

• cosine

• tangent

• cotangent

Which trigonometric ratio should you use in an equation to solve for r?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Which trigonometric ratio should you use in an equation to solve for d?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Choose all correct equations