4 sin 45° × tg 30°×ctg30°-cos45° Помогите пожалуйста. Created by 54545567. algebra-ru

ответ: Объяснение:

4 sin 45° × tg 30°×ctg30°-cos45° Помогите пожалуйста...

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4 sin 45° × tg 30°×ctg30°-cos45°
Помогите пожалуйста

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pottAH

Verified answer

ответ:

$\frac{3 \sqrt{2} }{2}$

Объяснение:

$4 \times \frac{ \sqrt{2} }{2} \times \tan(30) \times \frac{1}{ \tan(30) } - \frac{ \sqrt{2} }{2} \\ 2 \sqrt{2} - \frac{ \sqrt{2} }{2} \\ \\ \frac{3 \sqrt{2} }{2 }$

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