# Trigonometry and Trigonometry Formulas Multiple Choice Questions and Answers 2 PDF Book Download

Trigonometry and trigonometry formulas multiple choice questions (MCQs), trigonometry and trigonometry formulas quiz answers 2 to learn elementary school math online courses. Sine rule and formula MCQs, trigonometry and trigonometry formulas quiz questions and answers for online elementary education degree. Trigonometrical ratios, cosine rule test for elementary school teaching certification.

Learn elementary school math MCQs: Trigonometrical ratios, cosine rule, with choices − cos 65° = -0.4258, − cos 76° = -0.7093, − cos 67° = -0.3907, and − cos 62° = -0.8520 for online elementary education degree. Free math study guide for online learning sine rule and formula quiz questions to attempt multiple choice questions based test.

## MCQ on Trigonometry and Trigonometry Formulas Worksheets 2 PDF Book Download

MCQ: By expressing sin 125° in terms of trigonometrical ratios, answer will be

- sin 65° = 0.9128
- sin 55° = 0.8192
- sin 70° = 0.5384
- sin 72° = 0.1982

B

MCQ: By expressing cos 113° in terms of trigonometrical ratios, answer will be

- − cos 76° = -0.7093
- − cos 65° = -0.4258
- − cos 67° = -0.3907
- − cos 62° = -0.8520

C

MCQ: For Cosine Rule of any triangle ABC, a² is equal to

- b² + c² - 2bc cos A
- b² + a² - 2ac cos A
- b³ + c³ - 2bc cos B
- b² - c² + 3bc cos C

A

MCQ: Cosine Rule is also known as

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

B

MCQ: If sine is 0.896 then value of acute angle is

- 78°
- 72°
- 63.64°
- 65°

C