1.

If costheta=(5)/(13), then find the value of tan^(2)theta+sec^(2)theta. 0^(@)ltthetalt90^(@)&tantheta=sqrt(6+sqrt(6+sqrt(6+....oo))), then find the value of sec^(2)theta.

Answer»

(a)`(39)/(23)`
(B)`(39)/(25)`
(C)`(313)/(25)`
(d)`(329)/(21)`

Answer :C


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