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if
x= a tan^2 theta
when x= 0, then theta=?
and
when x= a, then theta=?
 one year ago
 one year ago
if x= a tan^2 theta when x= 0, then theta=? and when x= a, then theta=?
 one year ago
 one year ago

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hartnnBest ResponseYou've already chosen the best response.1
when x= 0 \(0= a \tan^2 \theta \\ 0=\tan \theta\) for what value of theta is tan theta =0 ???
 one year ago

msinghBest ResponseYou've already chosen the best response.0
it means when x= 0, then theta=0
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
correct :) when x=a \(a= a \tan^2 \theta \\ 1=\tan \theta\) for what value of theta is tan theta =1 ???
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
yes, pi/4 is correct. is this problem related to integration ?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
oh, then ok. otherwise, we have multiple values of theta when tan theta =0 or 1, but for integration purpose, what we did is sufficient.
 one year ago
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