Trigonometry and Trigonometry Formulas Multiple Choice Questions Test 7 pdf Download

Practice math quiz 7 on trigonometry and trigonometry formulas MCQs, grade 8 trigonometrical ratios multiple choice questions. Free trigonometrical ratios guide has math worksheet with answering options 18.02° , 165.02°, 21° , 170.32°, 14° , 150° and 13.80° , 166.20° of multiple choice questions (MCQ) with trigonometrical ratios quiz as considering 0° < x < 180°, angle of sin x = 0.2385 is for exam prep. Study to learn trigonometrical ratios quiz to attempt multiple choice questions based test.

MCQs on Trigonometry and Trigonometry Formulas - Quiz 7

MCQ. Considering 0° < x < 180°, angle of sin x = 0.2385 is

  1. 21° , 170.32°
  2. 18.02° , 165.02°
  3. 14° , 150°
  4. 13.80° , 166.20°

D

MCQ. Formula for area of a triangle ABC is

  1. 1/2ab sin C + 1/2bc sin A + 1/2ac sin B
  2. 1/2ab sin C = 1/2bc sin A = 1/2ac sin B
  3. 3/2ab sin C = 3/2bc sin A = 3/2ac sin B
  4. 2ab sin C = 2bc sin A = 2ac sin B

B

MCQ. In Δ ABC, angle A = 110° and AC = 2AB. If area of Δ ABC is 15.5 cm2 then length of AB is

  1. 3.06 cm
  2. 6.05 cm
  3. 4.06 cm
  4. 5.06 cm

C

MCQ. Considering Cosine rule, cos C is equal to

  1. a2 - b2 - c2⁄2bc
  2. 2a2 + 2b2 + 2c2⁄2abc
  3. a2 + b2 - c2⁄2ab
  4. 2a + 2b - 2c⁄2ac

C

MCQ. If cos 55° and sin 55° = 0.8 each then answer of cos 125° + 5 sin 55° is

  1. 2.4
  2. 2.8
  3. 3.2
  4. 0.8

A