Learn trigonometry and trigonometry formulas multiple choice questions, grade 8 math test 1 for elementary school degree online courses, distance learning for exam prep. Practice cosine rule multiple choice questions (MCQs), trigonometry and trigonometry formulas quiz questions and answers for math class for 8th grade math word problems with solutions.

Study elementary school math multiple choice questions (MCQs): for cosine rule of any triangle abc, b² is equal to with options a³ + c³ - 3ab cos a, a² - c² + 2ab cos a, a² + c² - 2ac cos b and a² - c² 4bc cos a, cosine rule quiz with online eBooks download for problem-solving skills for middle school and high school students. Free math study guide for online learning cosine rule quiz questions to attempt multiple choice questions based test.

## MCQs on Trigonometry and Trigonometry Formulas Worksheets 1 Quiz PDF Download

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: In a triangle ABC, if angle A = 72° , angle B = 48° and c = 9 cm then Ĉ is

1. 69°
2. 66°
3. 60°
4. 63°

C

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: Sine rule for a triangle states that

1. a/sin A = b/sin B = c/sin C
2. sin A/a = sin B/b = sin C/c
3. a/sin A + b/sin B + c/sin C
4. 2a/sin A = 2b/sin B = 2c/sin C

B