Trigonometric Ratio Ex.11B - 1

Trigonometric Ratio Ex.11B - 1 - 8. Find the size of in...

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Liu Po Shan Memorial College F.2 Mathematics ( 10 -1 1 ) Worksheet Topic : Trigonometric Ratio Ex.11B - 1 Name : __________________(           ) Class : ____________ Date  __________________            Score : ____________ Chapter 11.1 Introduction to Trigonometric Ratios Let’s Do Some Exercises! 1. Find the value of cosθ. 2. Find the value of cosθ. 3. Find the value of cosθ.
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Give the answers correct to 4 significant figures if necessary. (4-6) 4. Find the value of cos 27˚ 5. Find the value of cos 65˚ 6. Find the value of cos 63˚ 7. Find the size of θ in cosθ= 0.8090 (Give the answers correct to the nearest degree)
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Unformatted text preview: 8. Find the size of in cos= 0.5879 (Give the answers correct to the nearest degree) 9. Find the size of in cos= 0.6947 (Give the answers correct to the nearest degree) 10. Find the size of in cos= 0.9903 (Give the answers correct to the nearest degree) 11. Find the value of 2 cos 13 (Give the answers correct to 3 significant figures if necessary.) 12. Find the value of cos 38 + 3 cos 55 (Give the answers correct to 4 significant figures if necessary.) 13. Find the value of cos 20 + cos 58 (Give the answers correct to 4 significant figures if necessary.)...
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Trigonometric Ratio Ex.11B - 1 - 8. Find the size of in...

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