Question

1. y = x cotɑ
convert the equation number 1 into polar equation.
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Answer 1

Answer:

If a point (x,y) is written as (r,θ) in polar coordinates , then x=rcosθ and y=rsinθ.

As such in polar form equation x=−3 can be written as

rcosθ=−3

or r=−

cosθ

3