If tan theta = 5/12 and sin theta is negative, find cos theta.
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Answered by
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tan is + ve
& sin is - ve
means it must be 3 rd quadrant...
where cos is -ve
perpendicular= 5
base= 12
hence
hypotenuse= 13
hence cos (thita )=(-12/13 )
hope this will help u
& sin is - ve
means it must be 3 rd quadrant...
where cos is -ve
perpendicular= 5
base= 12
hence
hypotenuse= 13
hence cos (thita )=(-12/13 )
hope this will help u
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