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