Inactive Tutor answered • 09/19/14
Tutor
New to Wyzant
tanx is defined when x = pi/4 so you can do direct substitution
tan(pi/4) - tan(pi/4 - pi/4)
tan(pi/4) - tan 0
1 - 0
1
BG B.
asked • 09/18/14how do i solve this?
lim(x→π/4) tanx⋅tan(π/4-x)=
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