# Trigonometry and Trigonometry Formulas Multiple Choice Questions 2 PDF Download

Learn trigonometry and trigonometry formulas MCQs, grade 8 online math test 2, trigonometrical ratios multiple choice questions and answers. Trigonometrical ratios revision test has math worksheets, helping answer key with choices as sin 55° = 0.8192, sin 65° = 0.9128, sin 70° = 0.5384 and sin 72° = 0.1982 of multiple choice questions (MCQ) with trigonometrical ratios quiz as by expressing sin 125° in terms of trigonometrical ratios, answer will be for competitive exam prep, viva interview questions. Free math study guide to practice trigonometrical ratios quiz to attempt multiple choice questions based test.

## MCQs on Trigonometry and Trigonometry Formulas Quiz PDF Download Worksheets 2

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

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

B

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

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

C

MCQ. For the Cosine Rule of any triangle ABC, the 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. The Cosine Rule is also known as

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

B

MCQ. If the sine is 0.896 then the value of acute angle is

- 78°
- 72°
- 63.64°
- 65°

C