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Trigonometric Ratio Ex.11E - 2

# Trigonometric Ratio Ex.11E - 2 - 6 ° ° ° 30 sin 45 sin...

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Liu Po Shan Memorial College F.2 Mathematics ( 10 -1 1 ) Worksheet Topic : Trigonometric Ratio Ex.11E - 2 Name : __________________(           ) Class : ____________ Date  __________________            Score : ____________ Chapter 11 Trigonometric Ratios Let’s Do Some Exercises! In this exercise, do not use a calculator. Leave the answer with surd form if necessary. Find the values of the following expressions 1. ° - 30 sin 2 1 ______________________ 2. ° ° 30 tan 60 tan ______________________ 3. ° - ° 60 sin 2 60 tan ______________________ 4. ° - ° 45 sin 45 cos ______________________ 5. ° ° 45 sin 30 sin 2 ______________________

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Unformatted text preview: 6. ° ° ° 30 sin 45 sin 60 sin ______________________ 7. ° ° ° 60 cos 30 tan 30 cos ______________________ 8. 1 30 cos 2 2-° ______________________ 9. ° ° + ° ° 30 cos 60 sin 30 sin 60 cos ______________________ 10. ° + ° ° + 30 cos 30 tan 45 tan 1 ______________________ Find the unknowns in each of the following figures(11-14) 11. 12. Find the acute angle θ satisfying each of the following. 13. ° = + 45 tan 7 sin 4 5 14. 2 tan 3 3 =-15. sin 3 2 3 sin-= + 16. °-° = ° 45 tan 2 60 tan tan 30 tan 2...
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Trigonometric Ratio Ex.11E - 2 - 6 ° ° ° 30 sin 45 sin...

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