# How do you evaluate #sin{pi/7} sin{(2pi)/7} sin{(3pi)/7}#?

##### 1 Answer

#### Answer

#### Answer:

#### Explanation

#### Explanation:

Let

and

So

Hence

Now let

So

Again

Now

Hence we get

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Nov 17, 2016

Let

and

So

Hence

Now let

So

Again

Now

Hence we get

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Write your answer here...

Start with a one sentence answer

Then teach the underlying concepts

Don't copy without citing sources

preview

?

Write a one sentence answer...

Explain in detail...

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