# Trigonometry and Trigonometry Formulas Multiple Choice Questions Test 1 Tests pdf Download

Practice math test 1 on trigonometry and trigonometry formulas MCQs, grade 8 cosine rule multiple choice questions and answers. Cosine rule revision test has math worksheets, answer key with choices as a3 + c3 - 3ab cos a, a2 - c2 + 2ab cos a, a2 + c2 - 2ac cos b and a2 - c2 4bc cos a of multiple choice questions (MCQ) with cosine rule quiz as for cosine rule of any triangle abc, b2 is equal to for competitive exam prep. Free math study guide to learn cosine rule quiz to attempt multiple choice questions based test.

## MCQs on Trigonometry and Trigonometry Formulas Quiz pdf Download Worksheets 1

MCQ. For Cosine Rule of any triangle ABC, b2 is equal to

1. a2 - c2 + 2ab cos A
2. a3 + c3 - 3ab cos A
3. a2 + c2 - 2ac cos B
4. a2 - c2 4bc cos A

C

MCQ. For Cosine Rule of any triangle ABC, c2 is equal to

1. c2 + a2 + 2ac cos C
2. a2 + b2 - 2ab cos C
3. a2 + b2 + 2ab cos A
4. a2 - b2 + 2ab sin A

B

MCQ. In a triangle ABC, if angle A = 72° , angle B = 48° and c = 9 cm then Ĉ is

1. 69°
2. 66°
3. 60°
4. 63°

C

MCQ. Considering Cosine Rule of any triangle ABC, possible measures of angle A includes

1. angle A is obtuse
2. angle A is acute
3. angle A is right-angle
4. all of above

D

MCQ. Sine rule for a triangle states that

1. a/sin A = b/sin B = c/sin C
2. sin A/a = sin B/b = sin C/c
3. a/sin A + b/sin B + c/sin C
4. 2a/sin A = 2b/sin B = 2c/sin C

B

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