3 years ago

Pre-calculus Help Please! Express the complex number in trigonometric form.

1 answer:

3 0

We have that

3 = 3 + 0i -----------> rewrite as 3(1 + 0i)

So now what we have to do is figure out which of the above expressions has cos a = 1 and sin a = 0. 
cos 0 = 1, and sin 0 = 0, so that's the answer that we want.

the answer is: 
3 = 3(cos 0 + i sin 0)

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Help me with this please and thank you!! :)

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Answer:

Step-by-step explanation:

$A \cap C$ denotes the set of elements in both A and C, which is $\{20, 24, 28\}$ .
$B^{C}$ denotes the complement of set B, which is the set of all elements that are in the universal set that are not in set B. In this case, this set is $\{3, 4, 5, 6, 8, 11, 13, 16, 17, 19, 20, 22, 23, 24, 25, 26, 27, 28\}$