zainabnaltaliborq4nm
zainabnaltaliborq4nm zainabnaltaliborq4nm
  • 26-05-2019
  • Mathematics
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Select the correct answer

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prabinmagar
prabinmagar prabinmagar
  • 27-05-2019

let f(r)=sin^3r/cos^3r

so f(-r)= (sin(-r)/cos(-r))^3

=(-sinr/cosr)^3

=-f(r)

so it is odd function

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