# Cosine Rule MCQs Test and Answers pdf Download

Practice cosine rule MCQs and math for test prep and learning. Free trigonometry and trigonometry formulas notes has multiple choice questions (MCQ) with cosine rule quiz as for cosine rule of any triangle abc, b^{2} is equal to with answering options a^{2} - c^{2} + 2ab cos a, a^{3} + c^{3} - 3ab cos a, a^{2} + c^{2} - 2ac cos b and a^{2} - c^{2} 4bc cos a for exam preparation. Study to learn cosine rule quiz with MCQs to find questions answers based online tests.

## MCQs on Cosine Rule

MCQ. For Cosine Rule of any triangle ABC, b^{2} is equal to

- a
^{2}- c^{2}+ 2ab cos A - a
^{3}+ c^{3}- 3ab cos A - a
^{2}+ c^{2}- 2ac cos B - a
^{2}- c^{2}4bc cos A

C

MCQ. For Cosine Rule of any triangle ABC, c^{2} is equal to

- c
^{2}+ a^{2}+ 2ac cos C - a
^{2}+ b^{2}- 2ab cos C - a
^{2}+ b^{2}+ 2ab cos A - a
^{2}- b^{2}+ 2ab sin A

B

MCQ. Considering Cosine Rule of any triangle ABC, possible measures of angle A includes

- angle A is obtuse
- angle A is acute
- angle A is right-angle
- all of above

D

MCQ. For Cosine Rule of any triangle ABC, a^{2} is equal to

- b
^{2}+ c^{2}- 2bc cos A - b
^{2}+ a^{2}- 2ac cos A - b
^{3}+ c^{3}- 2bc cos B - b
^{2}- c^{2}+ 3bc cos C

A

MCQ. Cosine Rule is also known as

- Sine triangle
- Cosine Formula
- Cosine Triangle
- Cosine Area

B