trig

posted by sal

if (-12,5) is a pointon the terminal side of an angel 0 find the exact value of six trig funcation of 0

  1. Henry

    V(0,0), T(-12,5)

    X = -12 - 0 = -12.
    Y = 5- 0 = 5.
    r = Sqrt(X^2+Y^2) = Sqrt(144+25) = 13

    Sin A = Y/r = 5/13.
    Cos A = X/r =
    Tan A = Y/X

    CSC A = r/Y
    Sec A =
    Cot A =

    NOTES:
    V = Vertex.
    T = Terminal side.
    Sqrt = Square root.

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