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Trignometric identities

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Show that (1+tanx)/(1+cotx)=tanx
asked Oct 24, 2017 in PRECALCULUS by anonymous

1 Answer

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From the reciprocal trignometric identity property.

cot x=1/tanx

(1+tanx)/(1+cotx)=(1+tanx)/(1+(1/tanx)

                         = tanx(1+tanx)/(1+tanx)

                          =tanx

Hence proved.

answered Oct 25, 2017 by lilly Expert

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