# Trigonometry and Trigonometry Formulas Multiple Choice Questions Test 5 pdf Download

Practice math quiz 5 on trigonometry and trigonometry formulas MCQs, grade 8 cosine rule multiple choice questions. Free learning guide has math worksheet with answering options cos c, cos d, cos b and cos a of multiple choice questions (MCQ) with cosine rule quiz as considering cosine rule, b^{2} + c^{2} - a^{2}⁄2bc is equal to for exam prep. Study to learn cosine rule quiz to attempt multiple choice questions based test.

## MCQs on Trigonometry and Trigonometry Formulas - Quiz 5

MCQ. Considering Cosine rule, b^{2} + c^{2} - a^{2}⁄2bc is equal to

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

D

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

- 14.99°
- 16°
- 18°
- 17.98°

A

MCQ. Dimensions of solid includes

- length
- breadth
- height
- all of above

D

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

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

D

MCQ. Formula for area of a triangle is

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

C