1.

sece--7-2 secIf cos 0find, cosec θ

Answer»

We know that Cos (60°) = 1/2theta= 60°so we will put the value of theta sec(60)=2tan(60)= √3cosec(60)= 2/√3= 4+3/7-4.(2/√3)7/7-(8/√3)7/2.382.39 Approximately



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