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Mars2501 [29]
3 years ago
5

Given B=40, A=45, & c=4. Find b.

Mathematics
1 answer:
RoseWind [281]3 years ago
4 0

Answer:

it's so diifficult till I'm lost my brain when try to answer this question O-O

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Step-by-step explanation:

* Lets study how to change from polar form to rectangular coordinates

- To convert from polar form (r , Ф) to rectangular coordinates (x , y)

 use these rules

# x = r cos Ф

# y = r sin Ф

* Now lets solve the problem

∵ The point in the rectangular coordinates is (√3 , π/6)

∴ r = √3 and Ф = π/6

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∵ x = r cos Ф

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