Exploring Trigonometric Ratios

What is the first step in solving a trigonometry question?

• Calculate the hypotenuse

• Label the sides of the triangle

• Determine the ratio to use

• Find the angle

Tags

CCSS.HSG.SRT.C.6

Which side of the triangle is opposite the right angle?

• Base

• Hypotenuse

• Opposite

• Adjacent

If you know the adjacent side and need to find the opposite side, which ratio should you use?

• Sine

• Cosine

• Tangent

• None of the above

Tags

CCSS.HSG.SRT.C.6

In the example with a 32-degree angle, which sides are of interest?

• None of the above

• Adjacent and Hypotenuse

• Opposite and Hypotenuse

• Adjacent and Opposite

Tags

CCSS.HSG.SRT.C.6

Which trigonometric ratio is used when you have the opposite and adjacent sides?

• Secant

• Tangent

• Cosine

• Sine

Tags

CCSS.HSG.SRT.C.6

In the second example, which sides are of interest?

• Adjacent and Hypotenuse

• None of the above

• Opposite and Hypotenuse

• Adjacent and Opposite

Tags

CCSS.HSG.SRT.C.6

Which trigonometric ratio is used when you have the opposite and hypotenuse sides?

• Tangent

• Sine

• Cosine

• Cosecant

Tags

CCSS.HSG.SRT.C.6

What is the value of the hypotenuse in the second example?

• 4 cm

• 3 cm

• 5 cm

• 6 cm

Tags

CCSS.8.G.B.7

What should you do after labeling the sides of your triangle?

• Determine the ratio to use

• Calculate the hypotenuse

• Find the angle

• Solve for the unknown side

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the purpose of the exercise on slide 15?

• To label the sides and determine the ratio to use

• To calculate the hypotenuse

• To solve for the unknown side

• To find the angle

Tags

CCSS.HSG.SRT.C.8