Cosine rule Multiple Choice Questions (MCQ), cosine rule quiz answers PDF to study elementary school math for online certificate courses. Learn trigonometry and trigonometry formulas Multiple Choice Questions and Answers (MCQs), "Cosine Rule" quiz questions and answers for free online courses. Learn sine rule and formula, area of triangle, cosine rule test prep for distance learning.

"For the Cosine Rule of any triangle ABC, the b² is equal to" Multiple Choice Questions (MCQ) on volume of cones with choices a² - c² + 2ab cos a, a³ + c³ - 3ab cos a, a² + c² - 2ac cos b, and a² - c² 4bc cos a for free online courses. Free math student portal for online learning trigonometry and trigonometry formulas quiz questions for online certificate courses.

MCQ: For the Cosine Rule of any triangle ABC, the b² is equal to

1. a² - c² + 2ab cos A
2. a³ + c³ - 3ab cos A
3. a² + c² - 2ac cos B
4. a² - c² 4bc cos A

C

MCQ: For the Cosine Rule of any triangle ABC, the c² is equal to

1. c² + a² + 2ac cos C
2. a² + b² - 2ab cos C
3. a² + b² + 2ab cos A
4. a² - b² + 2ab sin A

B

MCQ: Considering The Cosine Rule of any triangle ABC, the possible measures of angle A includes

1. angle A is obtuse
2. angle A is acute
3. angle A is right-angle
4. all of above

D

MCQ: For the Cosine Rule of any triangle ABC, the a² is equal to

1. b² + c² - 2bc cos A
2. b² + a² - 2ac cos A
3. b³ + c³ - 2bc cos B
4. b² - c² + 3bc cos C

A

MCQ: The Cosine Rule is also known as

1. Sine triangle
2. Cosine Formula
3. Cosine Triangle
4. Cosine Area

B