
Mark M. answered 06/04/20
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
cot x / csc x
(cos x / sin x) / (1 / sin x)
(cos x / sin x)(sin x / 1)
cos x
QED
Tim C.
asked 06/04/20Verify that Cot x/Csc x = Cos x
Mark M. answered 06/04/20
Mathematics Teacher - NCLB Highly Qualified
cot x / csc x
(cos x / sin x) / (1 / sin x)
(cos x / sin x)(sin x / 1)
cos x
QED
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