1.

f o5.ne Jon SeCO S a

Answer»

(cos)/(1-sin)=3so (1-sin)/cos=1/3sec-tan=1/3now sec^2-tan^2=1so (sec-tan)(sec+tan)=1so sec+tan=3and sec-tan=1/3sec+tan+sec-tan=3+1/32sec=10/3so sec=5/3



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