law of sine and cosine-periodic funtion

Find m<B

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find BC

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find m<A

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

In ΔABC, m<B = 45, a = 28 and b = 27. Find all possible values for m<A.

• 47 only

• 47 and 133

• 47 and 88

• 55 and 125

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

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

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

Solve for "a" if:

A = 70^o, b = 10, and c =4.

• 88.6

• 9.4

• 10.8

• 6

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

A ladder is leaning against a wall. The building is 95 feet tall. The angle of elevation between the ground and ladder is 56^o. How long is the ladder?

• 114.6 feet

• 78.6 feet

• 36.1 feet

• 124.1 feet

Tags

CCSS.HSG.SRT.C.8

Jack is flying his kite.  He runs 100 feet away from his house and lets out 75 feet of string.  The angle of elevation from the ground to the kite is 65 degrees.  How far away is the kite from the house?

• 9285.73 ft
• 96.36 ft
• 24061.81 ft
• 155.12 ft

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11