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3 years ago

What is a reasonable measure for the angle shown

Mathematics

2 answers:

LekaFEV [45]3 years ago

7 0

I'm aware someone already answered your question but don't forget that 180 degrees would be a straight line, and 90 degrees makes the corner of a square, so by making comparisons, you can estimate the angle in your head. : )

german3 years ago

5 0

It is right after the 90 or right angle so it would 100

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Read 2 more answers

Find the product of 4cis (pi/4) times 5cis (pi/6) in polar form.

KengaRu [80]

We have the following expression

$4\cdot\text{cis(}\frac{\pi}{4})\cdot5\text{cis(}\frac{\pi}{6})$

This is equivalent to

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Since

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we have that

$4\cdot\text{cis(}\frac{\pi}{4})\cdot5\text{cis(}\frac{\pi}{6})=20cis(\frac{5\pi}{12})$

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