Question #bb1b9

1 Answer
P dilip_k
Oct 29, 2016

Given expression

=costhetatanthetacotthetasecthetacsctheta

=costheta*canceltantheta*1/canceltantheta*1/costheta*1/sintheta

=cancelcostheta*1/cancelcostheta*1/sintheta

=1/sintheta=1/(24/25)=25/24

Both sintheta and csctheta" are +ve in quadrant II"

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