Learn trigonometry and trigonometry formulas multiple choice questions, grade 8 math test 2 for elementary school degree online courses, distance learning for exam prep. Practice trigonometrical ratios multiple choice questions (MCQs), trigonometry and trigonometry formulas quiz questions and answers for math class for 8th class online math for students.

Study elementary school math multiple choice questions (MCQs): 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 with online basic interview questions and answers for online e-learning competitive exams preparation. Free math study guide for online learning trigonometrical ratios quiz questions to attempt multiple choice questions based test.

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

MCQ: By expressing sin 125° in terms of trigonometrical ratios, 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 cos 113° in terms of trigonometrical ratios, 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 Cosine Rule of any triangle ABC, 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: Cosine Rule is also known as

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

B

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

1. 78°
2. 72°
3. 63.64°
4. 65°

C