Asked by Don

If tanx = 2/3 tany = 1/2
then tan(x-y) = ??

a.7/4
b.7/6
c.1/8
d.8/6

which answer is correct ??
Answered by Damon

tan(a-b) = [ tan a - tan b)/(1 + tan a tan b)

You better learn those trig identities.
Answered by Don
The answer is 1/8
Is that correct Damon ?
Answered by Damon
Yes, correct
Answered by Ankan Paul
(a) 7/4
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