ashley021716 ashley021716
  • 19-05-2021
  • Mathematics
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Please help 1. Find the rectangular coordinates of (7, 150°).

Please help 1 Find the rectangular coordinates of 7 150 class=

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surjithayer10otahza surjithayer10otahza
  • 19-05-2021

Answer:

Step-by-step explanation:

[tex]x=r cos \theta=7 cos150=7cos(180-30)=-7cos ~30=-\frac{7\sqrt{3} }{2} \\y=r~sin~\theta=7~sin ~150=7~sin~(180-30)=7~sin~30=\frac{7}{2} \\so ~coordinates ~are~(-\frac{7\sqrt{3}}{2} ,\frac{7}{2} )\\C[/tex]

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