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28 April, 12:26

Given sin θ = 7/25, find the value of a and b in the following statements.

tan θ = a/24 sec θ = 25/b

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Answers (2)
  1. 28 April, 13:32
    0
    sin θ = 7/25 so θ = 16.26

    So tan θ = tan 16.26 = 7/24 = a/24 so a = 7

    sec θ = 1.17445580142 = 25/b so b = - 21

    Brainliest?
  2. 28 April, 16:07
    0
    a = 7, b = 24 if quadrant 1

    a = - 7, b = - 24 if quadrant 2

    Step-by-step explanation:

    Tan theta = sin (theta) * sec (theta)

    a/24 = (7/25) * (25/b)

    ab = 168

    a = 168/b

    1 + tan² (theta) = sec² (theta)

    1 + a²/576 = 625/b²

    1 + 168²/576b² = 625/b²

    1 = 576/b²

    b = 24 ( + or - )

    a = 168/24 = 7 ( + or - )
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