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Inverse Trigono...

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  • Question 1
    1 / -0

    The princiapl value of tan-1 {sin(-π/2)} is

  • Question 2
    1 / -0

    tan 1 ___ tan-1 (1)

  • Question 3
    1 / -0

    The principal value of sin-1 (-√3/2) is

  • Question 4
    1 / -0

    sin-1 (sin 10)

  • Question 5
    1 / -0

    sin-1 (cos y ) = π/2 - y is valid for

  • Question 6
    1 / -0

    Two angles of a triangle are cot-1 (2) and cot-1 (3). Then the value of the third angle is

  • Question 7
    1 / -0

    If cos-1 x + cos-1 y + cos-1 z = π, then x2 + y2 + z2 + 2xyz =

  • Question 8
    1 / -0

    If sin-1 (3/x) + sin-1 (4/x) = π/2, then x is equal to

  • Question 9
    1 / -0

    If x + 1/x = 2, then the principle value of sin-1 x is

  • Question 10
    1 / -0

    If π/2 ≤ x ≤ 3π/2, then sin-1 (sin x) is equal to

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