(cos^2)^2-(sin^2)^2=

Question

(cos^2)^2-(sin^2)^2=

Answer 1

Ответ:
(cos^2)^2-(sin62)^2=
=(cos^2-sin^2)(cos62+sin^2)=1*(cos^2-sin^2)

Comments

Cos^2+sin^2

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всмысле?