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Express the ratios \(cos A\), \(tan A\) and \(sec A\) in terms of \(sin A\)
 
\(cos A=\)
 
\(tan A=\)
 
\(sec A=\)
Answer variants:
\(\frac{1}{\sqrt{1-sin^2A}}\)
\(\frac{1}{\sqrt{1+sin^2A}}\)
\(\frac{sin A}{\sqrt{1-sin^2A}}\)
\(\sqrt{1-sin^2A}\)
\(\frac{sin A}{\sqrt{1+sin^2A}}\)
\(\sqrt{1+sin^2A}\)