Question

d/dx(1/cosx)

what is ans of it​

Answer 1

Answer:

heya mate there's your answer

d/dx(1/cosx)=d/dx(secx)

=(secx)(tanx)

[1/cosx=secx and d/dx(secx)=secxtanx]

hope it helps you

Thank you

Answer 2

Your question is d(1/cos x) /dx

It looks like d(1/x)/dx

==-1/x^2

==-1/(cos x) ^2 d(cos x) /dx

==-1/(cos x) ^2 *(-sin x)

==tanx/cos x