Mark M. answered 03/02/15
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
cot θ = 1 / tan θ
tan (-270) = - tan 270
tan (-270) = - 1/0
cot (-270) = - 0 / 1
cot (-270) = 0
David C.
asked 03/01/15
Mark M. answered 03/02/15
Mathematics Teacher - NCLB Highly Qualified
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