New user? Sign up

Existing user? Log in

\( \frac{c\sin{A}}{\sin{C}} = \frac{\left(b-c\right)\left(\cos{B}-\cos{C}\right)}{\cos{\left(2B\right)}-\cos{\left(B-C\right)}}\)

Note by Tristan Shin 4 years, 9 months ago

Easy Math Editor

*italics*

_italics_

**bold**

__bold__

- bulleted- list

1. numbered2. list

paragraph 1paragraph 2

paragraph 1

paragraph 2

[example link](https://brilliant.org)

> This is a quote

This is a quote

# I indented these lines # 4 spaces, and now they show # up as a code block. print "hello world"

2 \times 3

2^{34}

a_{i-1}

\frac{2}{3}

\sqrt{2}

\sum_{i=1}^3

\sin \theta

\boxed{123}

Sort by:

Can you please post a proof?

Log in to reply

hi makorn!

Hmm this was 2 years ago so I don't quite recall my proof. If I rediscover it I'll share it here.

Also to note: that was when I was in 7th grade and prone to errors, so there is a high chance the property is not true :P

Problem Loading...

Note Loading...

Set Loading...

Easy Math Editor

`*italics*`

or`_italics_`

italics`**bold**`

or`__bold__`

boldNote: you must add a full line of space before and after lists for them to show up correctlyparagraph 1

paragraph 2

`[example link](https://brilliant.org)`

`> This is a quote`

Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.`2 \times 3`

`2^{34}`

`a_{i-1}`

`\frac{2}{3}`

`\sqrt{2}`

`\sum_{i=1}^3`

`\sin \theta`

`\boxed{123}`

## Comments

Sort by:

TopNewestCan you please post a proof?

Log in to reply

hi makorn!

Log in to reply

Hmm this was 2 years ago so I don't quite recall my proof. If I rediscover it I'll share it here.

Also to note: that was when I was in 7th grade and prone to errors, so there is a high chance the property is not true :P

Log in to reply