Question

Simplify the expression and write the result in standard form, $a + bi$. \frac{-15 - 6i}{-3} =

          Simplify the expression and write the result in standard form, $a + bi$.
\frac{-15 - 6i}{-3} =
        
Simplify the expression and write the result in standard form, a + bi.
(-15 - 6i)/(-3) =

Added by Cesar R.

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Elementary and Intermediate Algebra
Elementary and Intermediate Algebra
Alan S. Tussy, R. David Gustafson 5th Edition
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Simplify the expression and write the result in standard form, a+bi. (-15-6i)/(-3)= Simplify the expression and write the result in standard form, a+bi -15-6i -3 00 X
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Transcript

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00:01 We're given the complex number 1, cis of 5 pi over 3.
00:06 We want to write this in standard form, which means we want it in the z equals a plus b i form.
00:15 So how are we going to do that? let's simply expand this to 1 cosine 5 pi over 3 plus i sine of 5 pi over 3.
00:29 So all we need to do then is figure out what cosine of 5 pi over 3 is and sine of 5 pi over 3.
00:41 So these can be done with exact form...
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