# Trigonometry and Trigonometry Formulas Multiple Choice Questions 5 PDF Download

Practice trigonometry and trigonometry formulas MCQs, grade 8 online math test 5, cosine rule multiple choice questions and answers. Cosine rule revision test has math worksheets, helping answer key with choices as cos c, cos d, cos b and cos a of multiple choice questions (MCQ) with cosine rule quiz as considering cosine rule, b² + c² - a²⁄2bc is equal to for competitive exam prep, viva interview questions. Free math study guide to practice cosine rule quiz to attempt multiple choice questions based test.

## MCQs on Trigonometry and Trigonometry Formulas Quiz PDF Download Worksheets 5

MCQ. Considering the Cosine rule, the b² + c² - a²⁄2bc is equal to

- cos D
- cos C
- cos B
- cos A

D

MCQ. If the sine is 0.2586 then the value of acute angle is

- 14.99°
- 16°
- 18°
- 17.98°

A

MCQ. The dimensions of solid includes

- length
- breadth
- height
- all of above

D

MCQ. Considering 0° < x < 180°, the angle of cos x = -0.8726 is

- 167.35°
- 165.82°
- 160.72°
- 150.76°

D

MCQ. The formula for the area of a triangle is

- 1/height x base
- height x base
- 1/2 x base x height
- 1/base x height

C