
Mark M. answered 08/19/15
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Mathematics Teacher - NCLB Highly Qualified
tan δ = sin δ / cos δ
cot δ = cos δ / sin δ

Mark M.
Welcome so much! δ and θ, as well as any other Greek letter, are variables and can be interchanged.
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08/19/15
Helpppp M.
08/19/15