Grade 11Trigonometry
the smallest +ve root of the equation tanx-x=0 lies in the interval Ο to 3Ο/2 prove
the smallest +ve root of the equation tanx-x=0 lies in the interval Ο to 3Ο/2 prove
1 Answer
Arun Kumar
first intersection is at 0,0
then the graph of y=x passes from below y=tan(x)
now at
where h is very small constant
it will tend to infinity
implies y=x will definitely cut it at some point between
because rate of increasing of x is not as much as tan(x)
Arun Kumar
IIT Delhi
Askiitians Faculty
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