# How do you write #3[(cos(pi/10) + i sin (pi/10)]# in rectangular form?

(2.853, 0.9271) or, explicitly, 2.853 + i 0.9271,

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3(cos(π/10) + i sin(π/10)) in rectangular form is approximately 2.938 + 0.879i.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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