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Trigonometry
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OpenStudy (anonymous):
whats y=tan(x-pi) ?
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OpenStudy (anonymous):
srry i would help but i haven't learned tht yet cuz im in algebra I
OpenStudy (anonymous):
n welcome to openstudy
OpenStudy (anonymous):
aa well thanks ^^
Directrix (directrix):
You need to know the tangent of the difference of two angles identity. Attached
Directrix (directrix):
tan ( x + π ) = [ tan x + tan π ] / [ 1 - tan x tan π ] tan ( x + π ) = [ tan x ] / [ 1 ] = tan x ----------- Note: tan π = 0 @grifinity This solution is your "Welcome to Open Study" gift from @misty
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