Practice trigonometry and trigonometry formulas MCQs, grade 8 math test 2 for online courses learning and test prep, trigonometrical ratios multiple choice questions and answers. Trigonometrical ratios revision test includes math worksheets to learn.

Math multiple choice questions (MCQ) on by expressing sin 125° in terms of trigonometrical ratios, answer will be with options sin 55° = 0.8192, sin 65° = 0.9128, sin 70° = 0.5384 and sin 72° = 0.1982, trigonometrical ratios quiz for competitive exam prep, viva interview questions with answers key. Free math study guide to learn 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

1. sin 65° = 0.9128
2. sin 55° = 0.8192
3. sin 70° = 0.5384
4. sin 72° = 0.1982

B

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

1. − cos 76° = -0.7093
2. − cos 65° = -0.4258
3. − cos 67° = -0.3907
4. − cos 62° = -0.8520

C

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

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

A

MCQ. The Cosine Rule is also known as

1. Sine triangle
2. Cosine Formula
3. Cosine Triangle
4. Cosine Area

B

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

1. 78°
2. 72°
3. 63.64°
4. 65°

C