Trigonometric Functions

What is the ratio for Sine?

• Opposite Leg / Adjacent Leg
• Opposite Leg /  Hypotenuse
• Adjacent Leg / Hypotenuse
• Adjacent Leg / Opposite Leg

What is the ratio for Tangent?

• Adjacent Leg / Opposite Leg
• Adjacent Leg / Hypotenuse
• Opposite Leg / Hypotenuse 
• Opposite Leg / Adjacent Leg

What is the ratio for Cosine?

• Opposite Leg / Adjacent Leg
• Opposite Leg / Hypotenuse
• Adjacent Leg / Hypotenuse
• Hypotenuse / Adjacent Leg

Cotangent is defined as

• opposite/hypotenuse

• adjacent/hypotenuse

• opposite/adjacent

• adjacent/opposite

From ∠C, what side is AB?

• Adjacent
• Hypotenuse
• Opposite

 Find tanZ

• 35/21
• 21/28
• 35/28
• 28/21

We can use SOH-CAH-TOA for...

• Any triangle ever
• Non-right triangles only
• Right Triangles only
• Never

What is the cosine of angle P?

• p/q
• q/r
• p/r
• r/q

How do you know which side is the OPPOSITE?

• It is next to the right angle

• It is opposite the right angle

• It is across from the angle

• It is the bottom leg of the triangle

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

• sine
• cosine
• tangent
• cotangent