#22 5.02 questions Precalculus

Mathematics
Tutor: None Selected Time limit: 1 Day

May 15th, 2015

Cos((π/2)-x)/Sin((π/2)-x)=Tanx

Let (π/2)-x=u

Cos(u)/Sin(u)=Cot(u)

Cot((π/2)-x)=Tanx


May 15th, 2015

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May 15th, 2015
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