Trigonometry and trigonometry formulas MCQs, trigonometry and trigonometry formulas quiz answers pdf, test prep 2 to study elementary school math for online certificate courses. Practice "sine rule and formula" Multiple Choice Questions and Answers (MCQs), trigonometry and trigonometry formulas quiz questions and answers for online elementary school courses. Learn trigonometrical ratios, cosine rule test prep for elementary school graduation certificate.

"By expressing the sin 125° in terms of trigonometrical ratios, the answer will be" Multiple Choice Questions (MCQs) on trigonometry and trigonometry formulas with choices sin 55° = 0.8192, sin 65° = 0.9128, sin 70° = 0.5384, and sin 72° = 0.1982 for online elementary school courses. Free math study guide for online learning sine rule and formula quiz questions for online schools.

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