# What is the value of #cos (pi/3) - sin((3pi)/2)#?

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The value of ( \cos\left(\frac{\pi}{3}\right) - \sin\left(\frac{3\pi}{2}\right) ) is ( \frac{1}{2} - (-1) = \frac{1}{2} + 1 = \frac{3}{2} ).

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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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