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Valentin [98]
3 years ago
8

Simplify (6 +i)(8 – 3i) 51 – 10i 48 – 32i 45 – 10i 48 – 10i – 3i^2 ...?

Mathematics
1 answer:
mote1985 [20]3 years ago
4 0
<span>= 48 - 18i + 8i - 3i</span>²<span>
= 48 – 10i – 3i</span>²
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The options for the first blank are 45, 240, 270, and 315
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Answer:

The solutions are <u>270°</u> and <u>450°</u>.

Step-by-step explanation:

Given:

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cos\frac{x}{2}=135

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And, cos\frac{x}{2}=225

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HACTEHA [7]
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4 years ago
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