1.

prove that. tanΦ+sinΦ \\ tanΦ-sinΦ = secΦ+1 \\ secΦ-1

Answer» after simplifying the lhs we get sin+sincos /sin-sincosAfter simplifying rhs we get 1+cos/1-cosNow take sin common from lhs and cancel it then it will be proved lhs=1+cos/1-cos=rhs


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