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Mathematics, 13.10.2019 04:20 biggy54

Suppose sin(a) = -0.78. use the trig identity sin^2(a)+ cos^2(a) = 1 find tan(a) using tan(a)=sin(a)/cos(a)

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Suppose sin(a) = -0.78. use the trig identity sin^2(a)+ cos^2(a) = 1 find tan(a) using tan(a)=sin(a)...
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