Question #32b6a

1 Answer
Rhys
Dec 9, 2017

# r = 7/(sin theta) = 7csc theta #

Explanation:

We must use our polar co-ordinates knowledge;

# x = rcos theta #
# y = rsin theta #
# r^2 = x^2 + y^2 #
# theta = arctan(y/x) #

so hence:

#y=7 => rsin theta = 7 #

#=> r = 7 /(sin theta ) = 7csc theta #

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