# Trigonometry and Trigonometry Formulas Multiple Choice Questions 1 PDF Download

Practice trigonometry and trigonometry formulas MCQs, grade 8 math test 1 for online courses learning and test prep, cosine rule multiple choice questions and answers. Cosine rule revision test includes math worksheets to learn.

Math multiple choice questions (MCQ) on 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 for competitive exam prep, viva interview questions with answers key. Free math study guide to learn cosine rule quiz to attempt multiple choice questions based test.

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

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

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

C

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

- c² + a² + 2ac cos C
- a² + b² - 2ab cos C
- a² + b² + 2ab cos A
- a² - b² + 2ab sin A

B

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

- 69°
- 66°
- 60°
- 63°

C

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

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

D

MCQ. The sine rule for a triangle states that

- a/sin A = b/sin B = c/sin C
- sin A/a = sin B/b = sin C/c
- a/sin A + b/sin B + c/sin C
- 2a/sin A = 2b/sin B = 2c/sin C

B