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  • Question 1
    1 / -0

    If tan A = 1/2 and tan B = 1/3, then the value of A + B, i.e. tan–1 1/2 + tan–1 1/2 is

  • Question 2
    1 / -0

    If cos (2 sin-1x) =1/9, then x is equal to

  • Question 3
    1 / -0

    If cos-1 x + cos-1 y = 2π, then the value of sin-1 x + sin-1 y is

  • Question 4
    1 / -0

    If sin-1 (x/5) + cosec-1 (5/4) = π/2, then the value of x is

  • Question 5
    1 / -0

    If sin (sin-1 1/5 + cos-1 x) = 1, then the value of x is

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