<span>Given the polar coordinate (r,θ), write. x=rcos θ and. y=rsin θ.Evaluate cos θ and. sin θ.Multiply cos θ by. r. to find the x-coordinate of the rectangular form.<span>Multiply sin θ by. r. to find the y-coordinate of the rectangular form.</span></span>
Answer:

Step-by-step explanation:

By using logarithms it becomes easier to solve this question because of the properties they have
From the property of logarithms

Take logarithms on both sides





Answer:
a) 54π cm³
Step-by-step explanation:
area of circle=πr²
9π
π9*6=54π
Answer:
11.9
Step-by-step explanation:
I just know this off the top of my head
The real one is 11.18034
A relation<span> from a set X to a set Y is called a </span>function<span> if each element of X is related to exactly one element in Y
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