01/13 Warm-Up

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

Tags

CCSS.HSG.SRT.C.6

Choose the correct ratio.

• cos(33)=x/14
• sin(33)=x/14
• cos(33)=14/x
• sin(33)=14/x

Tags

CCSS.HSG.SRT.C.6

What is sin^-1(1/2)?

• 150
• 120
• 60
• 30

Tags

CCSS.HSF.TF.B.7

Choose the correct ratio.

• cos(57)=x/20
• sin(57)=x/20
• cos(57)=20/x
• sin(57)=20/x

Tags

CCSS.HSG.SRT.C.6

Identify the Law of Sines

• Sin²x + Cos²x =1
• Sin(A)/a = Sin(B)/b = Sin(C)/c
• Sin(A)Sin(B)Sin(C) = 1
• Soh-Cah-Toa

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which of the following formulas shows the Law of Cosines?

• c² = a² + b² - 4ac + cosA
• c² = a² - b² - 2abcosC
• c² = a² + b² - 2abcosC
• (cos A)/a = (cos B)/b

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity

Tags

TEKS.MATH.P.4F

TEKS.MATH.P.4G

TEKS.MATH.P.4H

Which Law would you use to solve for Angle B?

• Law of the Jungle

• Law of Cosines

• Law of the Gravity

• Law of Sines

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity

Tags

TEKS.MATH.P.4F

TEKS.MATH.P.4G

TEKS.MATH.P.4H

From ∠C, what side is AB?

• Adjacent
• Hypotenuse
• Opposite

Tags

CCSS.HSG.SRT.C.6