Trigonometry and Trigonometry Formulas Multiple Choice Questions 1 PDF Download

Learn trigonometry and trigonometry formulas MCQs, grade 8 online math test 1, cosine rule multiple choice questions and answers. Cosine rule revision test has math worksheets, helping 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, viva interview questions. Free math study guide to practice cosine rule quiz to attempt multiple choice questions based test.

MCQs on Trigonometry and Trigonometry Formulas Quiz PDF Download Worksheets 1

MCQ. For the Cosine Rule of any triangle ABC, the 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 the Cosine Rule of any triangle ABC, the 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 the Ĉ is

  1. 69°
  2. 66°
  3. 60°
  4. 63°

C

MCQ. Considering The Cosine Rule of any triangle ABC, the 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. The 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