Introduction to Trigonometric Ratios

Introduction to Trigonometric Ratios - Trigonometric Ratios...

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1 Trigonometric Ratios Form 2 Section A 1. Which of the following is equal to a in the figure? A. 2 sin 35 o B. 2 sin 55 o C. o 2 sin 35 D. o 2 sin 55 2. In the figure, find the value of correct to the nearest 0.1 o . A. 34.7 o B. 36.8 o C. 38.7 o D. 43.0 o 3. In the figure, find the value of x correct to the nearest integer. A. 15 B. 16 C. 17 D. 18 4. In the figure, cos = I. BC AB II. AD AE III. AF AD A. I only B. II only C. III only D. II and III only 2 55 o 35 o a 8 5 x 7 ± 41 o A F E D B C
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2 5. In the figure, find the value of cos cos  correct to 3 decimal places. A. 1.370 B. 1.371 C. 1.372 D. 1.373 6. In the figure, find the lengths of BC correct to 1 decimal place. A. 3.1 B. 3.5 C. 6.2 D. 30.7 7. In the figure, what is the length of PQ? A. 30 cos 38 o sin 49 o B. 30 sin 38 o tan 49 o C. 30 tan 38 o cos 49 o D. 30 cos 38 o 8. A ladder leans against a vertical wall as shown in the figure. If foot of the ladder is 1.5 m from the foot of the wall and the angle between the ladder and the wall is 30
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Introduction to Trigonometric Ratios - Trigonometric Ratios...

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