Question

give the solution for the question​

Answer 1

$By\ chain\ rule,\\ d/dx (log(cos e^r ))\\\\= 1/cos(e^r )*d/dx (cose^r ) = 1/cos(e^r)1*(\−sine^r )*d/dn(e^r )\\\\= \−sin(e^r )/cos(e^r) *e^r = -e^rtan(e^r)$

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Answer 2

Answer:

hurre

bhen

ke lawde

madhrchod