Intro to TRIGONOMETRY

What mode should you have your calculator in for trigonometry unless otherwise specified?

• RAD (radians)

• GRAD

• DEG (degrees)

• FIX

c is known as what?

• The long side

• The hypotenuse

• The hippopotemus

• The short side

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

a is known as what?

• The short side

• The Opposite Side

• The Adjacent Side

• The Hypotenuse

Tags

CCSS.HSG.SRT.C.6

b is known as what?

• The Adjacent Side

• The long side

• The Opposite Side

• The Hypotenuse

Tags

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CAH stands for?

• Cos equals apples over houses

• Cos equals opposite over hypotenuse

• Cos equals adjacent over hypotenuse

• Cos equals opposite over adjacent

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is SOH CAH TOA

• A math thing

• An aussie slang

• A tasty snack

• A mnemonic to remember the rules for trigonometry

SOH stands for?

• Sine equals opposite over adjacent

• Sine equals adjacent over hypotenuse

• Sine equals opposite over hypotenuse

• Sine equals hypotenuse over opposite

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

TOA stands for?

• Tan equals opposite over adjacent

• Tan equals adjacent over hypotenuse

• Tan equals 72 watermelons

• Tan equals opposite over hypotenuse

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Calculate correct to three decimal places: sin 27◦

• 0.454

• 0.453

• 0.500

• 0.400

Calculate correct to three decimal places: cos 85.7◦

• -0.639

• 0.074

• 0.639

• 0.075