Introduction to Trigonometric Ratios

# Introduction to Trigonometric Ratios - D 30o 3 cm C 3 cm10...

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2 55 o 35 o a 8 5 θ x 7 3 41 o θ A F E D B C θ φ 7.5 4.5 C B A 9.5 72 o P 49 o 30 R S Q 38 o 30 o 1.5 m ladder 10 m E D C B A 25 o 50 o 3 cm 40 o E F D C B A 5 cm 30 o 6 2 x θ D 2 3 C A B 10 m 30 o 30 o D C B A D C h cm B θ 1.6 cm M O A 6.5 cm B C D A 15 cm 12 cm 4 cm 3 cm 60 o 30 o x cm A B C D Trigonometric Ratios Form 2 Section A 1. Which of the following is equal to a in the figure? 2 sin 35 o A. 2 sin 55 o B. 2. In the figure, find the value of θ correct to the nearest 0.1 o . A. 34.7 o 36.8 o B. 38.7 o C. 43.0 o 3. In the figure, find the value of x correct to the nearest integer. 15 16 A. 17 B. 18 In the figure, = I. II. III. A. I only B. II only C. III only D. II and III only 4. In the figure, find the value of correct to 3 decimal places. A. 1.370 1

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B. 1.371 1.372 C. 1.373 5. In the figure, find the lengths of BC correct to 1 decimal place. A. 3.1 B. 3.5 6.2 C. 30.7 6. In the figure, what is the length of PQ? A. 30 cos 38
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Introduction to Trigonometric Ratios - D 30o 3 cm C 3 cm10...

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