# Trigonometry and Trigonometry Formulas Multiple Choice Questions Test 2 pdf Download

Practice math quiz 2 on trigonometry and trigonometry formulas MCQs, grade 8 trigonometrical ratios multiple choice questions. Free learning guide has math worksheet with answering options 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 exam prep. Study to learn trigonometrical ratios quiz to attempt multiple choice questions based test.

## MCQs on Trigonometry and Trigonometry Formulas - Quiz 2

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, a^{2} is equal to

- b
^{2}+ c^{2}- 2bc cos A - b
^{2}+ a^{2}- 2ac cos A - b
^{3}+ c^{3}- 2bc cos B - b
^{2}- c^{2}+ 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