# Trigonometry and Trigonometry Formulas Multiple Choice Questions and Answers 6 PDF Download

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## MCQ on Trigonometry and Trigonometry Formulas Worksheets 6 Quiz PDF Download

MCQ: Considering Cosine rule, a² + c² - b²⁄2ac is equal to

- cos B
- cos A
- cos D
- cos C

A

MCQ: In a triangle ABC, if angle A = 72° , angle B = 48° and c = 9 cm then lengths of a and b are

- a = 9.88 cm, b = 7.72 cm
- a = 10.32 cm, b = 8.23 cm
- a = 11.35 cm, b = 6.82 cm
- a = 8.96 cm, b = 6.85 cm

A

MCQ: In triangle ABC, if angle A = 89°, b = 13.5 cm and a = 17 cm then angle B is

- 68°
- 62°
- 58°
- 52.6°

D

MCQ: Number of dimensions a point can have is

- zero
- infinite
- one
- negative

D

MCQ: Flat surface like blackboard is classified as

- vertex plane
- triangular plane
- trigonometrical plane
- plane

D