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trig

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Find sin(2theta) if tan of theta = 7/24, pi < theta < 3pi/2 ?

  • trig - ,

    If tanØ = 7/24 and Ø is in III
    then sinØ = -7/25 and cosØ = -24/25

    sin (2Ø) = 2sinØcosØ
    = 2(-7/25)(-24/25) = 336/625

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