RS = ln (|cosx|/|sinx|)
= ln |cot x|
= LS
using cot Ø = cosØ/sinØ
and
log A - logB = log(A/B)
Use the properties of logarithms and trigonometric identities to verify the identity.
ln|cot x| = ln|cos x| - ln|sin x|
I have no idea where to begin with this one... your help is appreciated!
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