Sin3x-sin7x=0 Cosx+cos2x=0 Pomogite s zadachei! Zaranee spasibo

Question

Sin3x-sin7x=0
Cosx+cos2x=0
Pomogite s zadachei! Zaranee spasibo

Answer 1

Решение во вложении)))))))))

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Comments

spasiboo bol'woe