Exploring Trigonometric Ratios: SOH-CAH-TOA

What does trigonometry primarily deal with?

• The measure of squares

• The measure of circles

• The measure of triangles

• The measure of hexagons

What is the ratio for the sine function?

• Hypotenuse over Opposite

• Opposite over Hypotenuse

• Opposite over Adjacent

• Adjacent over Hypotenuse

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CCSS.HSG.SRT.C.6

Which side of the triangle is always opposite the right angle?

• The longest side

• The adjacent side

• The shortest side

• The hypotenuse

What is the mnemonic used to remember trigonometric ratios?

• HOTASACOS

• TOAHACOS

• SOHCAHTOA

• COSAHSOTO

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CCSS.HSG.SRT.C.6

What does the tangent of an angle represent?

• Hypotenuse over Opposite

• Opposite over Adjacent

• Adjacent over Opposite

• Hypotenuse over Adjacent

Tags

CCSS.HSG.SRT.C.6

In trigonometry, what does the Greek letter Theta often represent?

• A specific side of a triangle

• The hypotenuse of a triangle

• The area of a triangle

• An angle in a triangle

Which trigonometric function is used to find the hypotenuse when given the opposite side?

• Cosine

• Tangent

• Cotangent

• Sine

Tags

CCSS.HSG.SRT.C.6

What is the cosine of an angle equal to in terms of its complement?

• The sine of the angle

• The tangent of the angle

• The sine of the complement

• The tangent of the complement

Tags

CCSS.HSG.SRT.C.7

What is the relationship between the sine of an angle and the cosine of its complement?

• They are directly proportional

• They are inversely proportional

• They are equal

• There is no relationship

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CCSS.HSG.SRT.C.7

How do you find the area of any triangle using trigonometry?

• Using SOHCAHTOA

• Using Pythagorean theorem

• Using Heron's formula

• Using the law of sines

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CCSS.HSG.SRT.D.9