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

Trigonometry and trigonometry formulas MCQs, trigonometry and trigonometry formulas quiz answers 2 to learn elementary education online courses. Practice sine rule and formula multiple choice questions (MCQs), trigonometry and trigonometry formulas quiz questions and answers for math class. Free e-learning tutorial on trigonometrical ratios, cosine rule test prep for elementary school teaching certification.

Study elementary school math multiple choice questions (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