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Consider DeltaACB, right angled at C, in...

Consider `DeltaACB`, right angled at C, in which AB = 29 units, BC = 21 units and `angleABC = theta` (see the given figure). Determine the values of: ` ( 1 ) cos^(2)theta + sin^(2)theta, ( 2) cos^(2)theta - sin^(2)theta`.

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The correct Answer is:
`(41)/(841)`
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KUMAR PRAKASHAN-INTRODUCTION TO TRIGONOMETRY-Objective Questions
  1. Consider DeltaACB, right angled at C, in which AB = 29 units, BC = 21 ...

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  2. Fill in the blanks so as to make each of the following statements true...

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  3. Fill in the blanks so as to make each of the following statements true...

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  4. Fill in the blanks so as to make each of the following statements true...

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  5. Fill in the blanks so as to make each of the following statements true...

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  6. Answer each question by selecting the proper alternative from those gi...

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  7. Answer each question by selecting the proper alternative from those gi...

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  8. Answer each question by selecting the proper alternative from those gi...

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  9. Answer each question by selecting the proper alternative from those gi...

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  10. Answer each question by selecting the proper alternative from those gi...

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  11. Answer each question by selecting the proper alternative from those gi...

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  12. Answer each question by selecting the proper alternative from those gi...

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  13. Answer each question by selecting the proper alternative from those gi...

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  14. Answer each question by selecting the proper alternative from those gi...

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  15. Answer each question by selecting the proper alternative from those gi...

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  16. Answer the following by a number or a word or a sentence : If sinA=1...

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  17. Answer the following by a number or a word or a sentence : What is t...

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  18. Answer the following by a number or a word or a sentence : If 4tanth...

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  19. Answer the following by a number or a word or a sentence : What is t...

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  20. If tan7theta=cot(5theta-30^(@)), both angles being acute angles, find ...

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  21. State weather each of the following statements is true or false : Th...

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