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hartnnBest ResponseYou've already chosen the best response.2
( (1+cotA) ( 1 + cotB) )/(cotAcotB) = (1+cot A + cot B + cot A cot B) / cotA cot B now separate the denominator.
 one year ago

Yahoo!Best ResponseYou've already chosen the best response.0
tanAtanB + TanA + tanB + 1
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
= (1+cot A + cot B)/cotAcot B + (cot A cot B) / cotA cot B = (1+cot A + cot B)/cotAcot B + 1
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
that '1' will be a trouble...
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
ok, lets work with tan tan(A+B) = tan 5pi/4 = ... ?
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
tan(A+B) = (tan A+tan B) /(1+tan A. tan B) = ...
 one year ago

Yahoo!Best ResponseYou've already chosen the best response.0
tan(A+B) = (tan A+tan B) /(1tan A. tan B)
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
oops, tan(A+B) = (tan A+tan B) /(1tan A. tan B) =1 which gives tan A+tan B = 1tan A tan B
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
so, tanAtanB + TanA + tanB + 1=...?
 one year ago

hartnnBest ResponseYou've already chosen the best response.2
tanAtanB + TanA + tanB + 1= tanAtanB +1tan Atan B+ 1=2
 one year ago
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