Class 8 Math MCQs - Chapter 7
Trigonometry and Trigonometry Formulas Trivia Questions & Answers PDF Download - 4
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The Trigonometry and trigonometry formulas Trivia Questions and Answers PDF (Trigonometry and Trigonometry Formulas Quiz Answers PDF e-Book) download Ch. 7-4 to study Grade 8 Math Course. Practice Area of Triangle MCQ PDF, Trigonometry and Trigonometry Formulas Quiz Questions and Answers to learn online certification courses. The Trigonometry and Trigonometry Formulas Trivia App Download: Grade 8 Math Study App [Free] for area of triangle, sine rule and formula, trigonometrical ratios test prep for online school courses.
The Quiz: If a = 16.5 cm, angle B = 52° and c = 10 cm then the area of Δ ABC is; "Trigonometry and Trigonometry Formulas" App APK Download with answers: 83.01 cm², 72.01 cm², 52.03 cm², and 65.01 cm² to learn online certification courses. Practice Area of Triangle MCQ Questions, download Kindle eBook (Free Sample) for online education.
Trigonometry and Trigonometry Formulas Test Questions and Answers PDF Download: MCQ 4
If a = 16.5 cm, angle B = 52° and c = 10 cm then the area of Δ ABC is
- 72.01 cm²
- 83.01 cm²
- 52.03 cm²
- 65.01 cm²
In the triangle ABC, if angle B = 60°, b = 11 cm and c = 8.7 cm then angle A and length of 'a' is
- 52°
- 43.23°
- 46°
- 49°
By expressing the cos 82° in terms of trigonometrical ratios, the answer will be
- − cos 89° = -0.2319
- − cos 29° = -0.8746
- − cos 38° = -0.7880
- − cos 98° = -0.1392
For any acute angle, cosine A is equal to
- −cos (180° - A)
- cos (180° - A)
- −cos (180° + A)
- cos (180° + A)
If cos 55° and sin 55° = 0.8 each then the answer of 3 cos 125° + 5 sin 125° is
- 1.6
- 2.5
- 2.3
- 0.6
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