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lisabon 2012 [21]
3 years ago
15

Please help 1. Find the rectangular coordinates of (7, 150°).

Mathematics
1 answer:
cupoosta [38]3 years ago
8 0

Answer:

Step-by-step explanation:

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

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3 years ago
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4 years ago
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