Sin(π/2-x)=sin π/4 Найти х

Question

Sin(π/2-x)=sin π/4
Найти х

Comments

уравнение не дописано?

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Да

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исправишь может?

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Дописано

Answer 1

Cos x= sin pi/4
x= √2/2 + 2 pi l, l € Z.

Answer 2

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