Помогите, пожалуйста. Created by nurcanpashali. algebra-ru

Помогите, пожалуйста...

nurcanpashali @nurcanpashali

July 2022 1 8 Report

Помогите, пожалуйста

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NNNLLL54

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Ответ:

$\displaystyle \frac{1+tgx}{1+ctgx}=\frac{1+\dfrac{sinx}{cosx}}{1+\dfrac{cosx}{sinx}}=\frac{\dfrac{cosx+sinx}{cosx}}{\dfrac{sinx+cosx}{sinx}}=\frac{(cosx+sinx)\cdot sinx}{(sinx+cosx)\cdot cosx}=\frac{sinx}{cosx}=tgx$

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3 najdite znachenie vyrazheniya h1h2 x1x2 esli chisla h1 i h2 yavlyayutsya kornyami

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nurcanpashali August 2022 | 0 Ответы

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3 najdite znachenie vyrazheniya h1h2 x1x2 esli chisla h1 i h2 yavlyayutsya kornyami

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