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Trigonometric l...

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  • Question 1
    4 / -1

    If 5 cos 2θ + 2 cos2 θ/2 + 1 = 0, where 0 < θ < π, then the value of θ

  • Question 2
    4 / -1

    cos 2 χ + 7 = a (2 - sinχ) can have a real solution for

  • Question 3
    4 / -1

    Number of solutions of |χ - 1| = cos χ is

  • Question 4
    4 / -1

    The number of solutions of the equation sinχ cos 3χ = sin 3χ cos 5χ in [0, π/2] is

  • Question 5
    4 / -1

    If 1 + sin θ + sin2 θ +... = 4 + 2√3; 0 < θ < π, θ ≠ π/2, then

  • Question 6
    4 / -1

    The most general solutions of the equation secχ - 1 = (√2 - 1) tan χ are given by

  • Question 7
    4 / -1

    The number of solutions of the equation sin 2χ + cos 4χ = 2 is

  • Question 8
    4 / -1

    The solution of sinχ + sin 5χ = sin 3χ in (0, π/2) is

  • Question 9
    4 / -1

    If cot χ + cosec χ = √3 , then the principal value of (χ - π/6)

  • Question 10
    4 / -1

    The solution of equations cos2 θ + sin θ + 1 = 0 lies in the interval

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