Law of Sine and Cosines

• 6.99
• 6.33
• 13.59
• 7.83

Which of the following defines the ratio of sides of a triangle and their respective sine angles that are equivalent to each other?

• SOH CAT TOA

• Law of Sines

• Law of Cosines

• Oblique Triangle

Which Law would you use to solve for Angle B?

• Law of the Jungle

• Law of Cosines

• Law of the Gravity

• Law of Sines

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

Which of the following formulas shows the Law of Sines?

Which of the following formulas shows the Law of Cosines?

• c² = a² + b² - ab cos C

• c = a² + b² - ab cos C

• c² = a² + b² - 2bc cos C

• c² = a² + b² - 2ab cos C

To find the distance AB across a river, a distance BC = 354 m is laid off on one side of the river. It is found that B = 112^o and C = 15^o. Find AB. Round to the nearest meters.

• 91 meters

• 115 meters

• 219 meters

• 299 meters

The sine again cosine rules are sometimes called laws. Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

The sine again cosine rules are sometimes called laws. Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

Find the missing side x

• 30.4cm

• 925cm

• 42.3cm

• 21.9cm