# Trigonometrical Ratios Questions and Answers PDF Book Download

Trigonometrical ratios MCQs, trigonometrical ratios quiz answers for online elementary school courses. Trigonometric ratios multiple choice questions (MCQs), trigonometrical ratios quiz questions and answers for online elementary education degree. Trigonometrical ratios test prep for elementary school teaching certification.

Learn math MCQs: measurements such as length of book and width of glass sheet by using measuring tape are called, with choices , , indirect measurements, and direct measurements for online elementary education degree. Free math student portal for online learning trigonometrical ratios quiz questions, MCQs to find questions answers based online learning tests.

## MCQ on Trigonometrical Ratios PDF Book Download

MCQ: Measurements such as length of book and width of glass sheet by using measuring tape are called

- indirect measurements
- direct measurements

D

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: Sin P of triangle PQR with respect to P is calculated as

- QR/PQ
- QR/PR
- PQ/PR
- PR/PQ

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: If sine is 0.896 then value of acute angle is

- 78°
- 72°
- 63.64°
- 65°

C