# Trig

posted by .

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

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

• Trig -

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

You better learn those trig identities.

• Trig -

Is that correct Damon ?

• Trig -

Yes, correct

• mathameticks -

(a) 7/4

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