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Trigonometric l...

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  • Question 1
    4 / -1

    cosec 15o - sec 15o is equal to

  • Question 2
    4 / -1

  • Question 3
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  • Question 4
    4 / -1

    If n = 1,2,3... , then cos α cos 2α cos 4α ...cos2n-1 α is equal to

  • Question 5
    4 / -1

  • Question 6
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  • Question 7
    4 / -1

    The least value of 3 sin2 θ + 4 cos2 θ is

  • Question 8
    4 / -1

    If A = sin2 χ + cos4 χ, then for all real χ

  • Question 9
    4 / -1

    The maximum value of f(χ) = sin χ (1 + cosχ) is

  • Question 10
    4 / -1

    The minimum value of 27cos2χ . 81sin2χ is

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