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Trigonometry

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Find the remaining trigonometric ratios of θ if sin(θ) is given and θ QI
sin(θ)=7/sqrt 149
cos=
tan=
cot=
csc=
sec=

  • Trigonometry - ,

    sinA = 7/sqrt149 = Y/r.

    X^2 + Y^2 = r^2,
    X^2 + 7^2 = (sqrt149)^2,
    X^2 +49 = 149,
    X^2 = 100,
    X = 10.

    X = 10, Y = 7, r = sqrt149.

    cosA = X/r = 10 / sqrt149.
    tanA = Y/X = 7 / 10.
    cotA = X/Y =
    cscA =
    secA =

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