/sci/ - Science & Math » Thread #13233609

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Anonymous Fri 04 Jun 03:28:50 2021 No.13233609 View Reply Original Report

Quoted By: >>13233617 >>13233849 >>13234093

Please, someone could help me with this, I would really appreciate it very much.

Anonymous

Anonymous Fri 04 Jun 2021 03:31:48 No.13233617 Report

Quoted By: >>13233619

>>13233609
>sen
what

Anonymous

Anonymous Fri 04 Jun 2021 03:32:35 No.13233619 Report

Quoted By: >>13233832

>>13233617
It's SIN

Anonymous

Anonymous Fri 04 Jun 2021 04:52:50 No.13233832 Report

Quoted By:

>>13233619
Why do all of these supposedly European languages not just pillage the Latin abbreviation like everyone else

Anonymous

Anonymous Fri 04 Jun 2021 04:58:38 No.13233849 Report

Quoted By:

>>13233609
hint: use your identities

Anonymous

Anonymous Fri 04 Jun 2021 05:40:30 No.13233952 Report

Quoted By: >>13234090

This isn't even hard.

$\frac{\cos^2 x - \sin^2 x}{1 + 2 \sin x \cos x} = \frac{(\cos x + \sin x)(\cos x - \sin x)}{(\cos x + \sin x)^2}= \frac{\cos x - \sin x}{ \cos x + \sin x} = \frac{1 - \frac{\sin x}{\cos x}}{1 + \frac{\sin x}{\cos x}} = \frac{1 -\tan x}{1 + \tan x}<br />$

Anonymous

Anonymous Fri 04 Jun 2021 06:58:16 No.13234090 Report

Quoted By:

>>13233952
based this is a really nice

Anonymous

Anonymous Fri 04 Jun 2021 07:01:03 No.13234093 Report

Quoted By:

>>13233609
>homework thread gets deleted
>anon makes it again anyway
Dangerously based.

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