Asked by Kate
Prove the identity. (show your work please)
tan(x − π/4)= (tan x − 1)/(tan x + 1)
Thank you!
tan(x − π/4)= (tan x − 1)/(tan x + 1)
Thank you!
Answers
Answered by
Steve
since tan(x-y) = (tanx-tany)/(1+tanxtany)
just plug in y=pi/4 and the rest falls right out.
just plug in y=pi/4 and the rest falls right out.
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