# Cosine Rule MCQs Quiz and Answers Tests pdf Download

Practice cosine rule MCQs in math quiz for test prep. Trigonometry and trigonometry formulas quiz questions has multiple choice questions (MCQ) with cosine rule test, answers as for cosine rule of any triangle abc, b2 is equal to, answer key with choices as a2 - c2 + 2ab cos a, a3 + c3 - 3ab cos a, a2 + c2 - 2ac cos b and a2 - c2 4bc cos a for competitive exam preparation worksheets. Free math revision notes to learn cosine rule quiz with MCQs to find questions answers based online tests.

## MCQs on Cosine Rule 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. 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