Learn cosine rule MCQs, math test for online learning courses and test prep to practice. Trigonometry and trigonometry formulas multiple choice questions (MCQ), cosine rule quiz questions and answers for 8th grade math word problems with solutions.

Math practice test MCQ: for cosine rule of any triangle abc, b² is equal to with options a² - c² + 2ab cos a, a³ + c³ - 3ab cos a, a² + c² - 2ac cos b and a² - c² 4bc cos a with online eBooks download for problem-solving skills for middle school and high school students. Free math revision notes to learn cosine rule quiz with MCQs to find questions answers based online learning tests.

MCQ: For Cosine Rule of any triangle ABC, 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 Cosine Rule of any triangle ABC, 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 Cosine Rule of any triangle ABC, 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 Cosine Rule of any triangle ABC, 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: Cosine Rule is also known as

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

B