Practice angles and trigonometrical ratio MCQs in math quiz for test prep. Trigonometric ratios quiz questions has multiple choice questions (MCQ) with angles and trigonometrical ratio test, answers as if sin a is 0.865 then value of angle a (four significant figures) is, answer key with choices as 85.59°, 59.88°, 62.88° and 88.62° for competitive exam preparation worksheets. Free math revision notes to learn angles and trigonometrical ratio quiz with MCQs to find questions answers based online tests.

MCQ. If sin A is 0.865 then value of angle A (four significant figures) is

1. 85.59°
2. 59.88°
3. 62.88°
4. 88.62°

B

MCQ. If XY = 16 and XZ = 45.2 then angle of X and Z respectively are

1. 20.73°, 69.27°
2. 41°, 69°
3. 73°, 27°
4. 20°, 27°

A

MCQ. In a right angle triangle ABC, if BC is 8.7 and AC is 18.9 then value of angle A is

1. 40.85°
2. 64.86°
3. 27.40°
4. 32.40°

C

MCQ. Two trigonometrical ratios whose values cannot be greater than 1 are

1. sine and cosine
2. sine and tangent
3. tangent and cosine
4. all of above

A

MCQ. If tan A is 0.573 then value of angle A in a right angle triangle is

1. 42.43°
2. 34.86°
3. 31.53°
4. 29.81°

D