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OpenStudy (anonymous):
if tan x =1/2 tan y 1/3 what is the value of tan (x+y)
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OpenStudy (anonymous):
I think there is a formula that says: tan(a+b)=(tan(a)+tan(b))/(1-tan(a)*tan(b)), so you can calculate the answer
OpenStudy (hoblos):
1
OpenStudy (hoblos):
yeah i used the same way as mohamadbanaee said
OpenStudy (anonymous):
thx
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