# How do you add #(8+9i)+(-4+6i)# in trigonometric form?

# (8+9i)+(-4+6i) = 4+15i #

Although it would be laborious, we can expand the expression and gather real and imaginary terms instead of converting each complex number into a trigonometric form:

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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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