1.

Show thatSin Q (it ten o tlos o (it cat Q) - SecQ+

Answer»

Sinx(1+ Tanx)+ Cosx(1+ Cotx)=Secx+ cosecx;; (Sinx+ SinzTanx)+ ( Cosx+ Cosx+ CosxCotx)=Sinx^2/ Coax/ Cosx^2/SinX= Sinx^2+ cosx^2/CosxSinx=1/cos x + 1/ Sinx= Secx + cosecx



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