CBSE Class 12-science Answered
NCERT 6.2 ques no.17
Asked by rahulnoida | 08 Jul, 2011, 10:09: PM
Expert Answer
The question is to prove that the function f given by f(x)=log cosx is strictly decreasing on(0,
) and strictly increasing on (,
).
) and strictly increasing on (,).Sol: f(x)=log cosx
we know that tanx>0 for x
Answered by | 08 Jul, 2011, 09:16: PM
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