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Trigonometric Ratio Ex.11A - 1

# Trigonometric Ratio Ex.11A - 1 - 8 Find the size of θ in...

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Liu Po Shan Memorial College F.2 Mathematics ( 10 -1 1 ) Worksheet Topic : Trigonometric Ratio Ex.11A - 1 Name : __________________(           ) Class : ____________ Date  __________________            Score : ____________ Chapter 11.1 Introduction to Trigonometric Ratios Let’s Do Some Exercises! 1. Find the value of sinθ . 2. Find the value of sinθ . 3. Find the value of sinθ . Give the answers correct to 4 significant figures if necessary. (4-6)

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4. Find the value of sin 39˚ . 5. Find the value of sin 47˚ . 6. Find the value of sin 73˚ . 7. Find the size of θ in sinθ= 0.4226 . (Give the answers correct to the nearest degree)
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Unformatted text preview: 8. Find the size of θ in sinθ= 0.9272 . (Give the answers correct to the nearest degree) 9. Find the size of θ in sinθ= 0.7986 . (Give the answers correct to the nearest degree) 10. Find the size of θ in sinθ= 0.2079 . (Give the answers correct to the nearest degree) 11. Find the value of 3 sin 25˚ (Give the answers correct to 3 significant figures if necessary.) 12. Find the value of sin 18˚ - sin 36˚ (Give the answers correct to 4 significant figures if necessary.) 13. Find the value of sin 5˚ + 2 sin 10˚ (Give the answers correct to 4 significant figures if necessary.)...
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Trigonometric Ratio Ex.11A - 1 - 8 Find the size of θ in...

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