Mathematics
Mathematics, 13.10.2019 04:30, Knownothing

Sin(a)=2/5 use trig identity sin^2(a)+cos^2(a)=1 and tan(a)= sin(a)/cos(a) to find tan(a)

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Sin(a)=2/5 use trig identity sin^2(a)+cos^2(a)=1 and tan(a)= sin(a)/cos(a) to find tan(a)...

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