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sveta33333
@sveta33333
July 2022
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Найти производную: y= x^2+4/cosx
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ShirokovP
Verified answer
Y ' = (x^2 + 4/cosx) ' =
= 2x + 4*(cosx^(-1)) ' =
= 2x + 4 *(-1)*cosx^(-1-1)*(cosx) ' =
= 2x - 4cosx^(-2)*(-sinx) =
= 2x + 4sinx/cos^2x
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Answers & Comments
Verified answer
Y ' = (x^2 + 4/cosx) ' == 2x + 4*(cosx^(-1)) ' =
= 2x + 4 *(-1)*cosx^(-1-1)*(cosx) ' =
= 2x - 4cosx^(-2)*(-sinx) =
= 2x + 4sinx/cos^2x