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Trigonometric l...

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  • Question 1
    4 / -1

    In ∆ABC, if sin2 A + sin2 B + sin2 C = 2, then the triangle is

  • Question 2
    4 / -1

    The maximum value of 4sin2χ - 12 sinχ + 7 is

  • Question 3
    4 / -1

    If A + B + C = π, then sin 2A + sin 2B + sin 2C is equal to

  • Question 4
    4 / -1

    The minimum value of f(χ) = sin4 χ + cos4 χ , 0 ≤ χ ≤ π/2 is

  • Question 5
    4 / -1

    The maximum value of the function 3 cos χ - 4 sin χ is

  • Question 6
    4 / -1

    For all values of θ, the value of 3 - cos θ + cos (θ + π/3) lies in the interval

  • Question 7
    4 / -1

    If A + B = C, then cos2 A + cos2 B + cos2 C - 2 cos A cos B cos C is equal to

  • Question 8
    4 / -1

    The curve represented by
    χ = a (sinh θ + cos h θ)
    y = b (-sinh θ + cosh θ) is

  • Question 9
    4 / -1

    If sinh-1 (2) + sinh-1 (3) = χ, the cosh χ is equal to

  • Question 10
    4 / -1

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