if f(x)=3tanx +2
2 answers
find when f(x)= pie/3
3tanx +2 = pi/3
3tan x = -.9528
tanx = -.3176
now, the tangent is negative in quadrants II and IV
so x = pi - .3075 or x = 2pi - .3075
x = 2.834 or x = 5.9757
check one of them
if x=5.9757
LS = 3tan5.9757 + 2
= 1.04728
RS = pi/3 = 1.0472 , NOT BAD
3tan x = -.9528
tanx = -.3176
now, the tangent is negative in quadrants II and IV
so x = pi - .3075 or x = 2pi - .3075
x = 2.834 or x = 5.9757
check one of them
if x=5.9757
LS = 3tan5.9757 + 2
= 1.04728
RS = pi/3 = 1.0472 , NOT BAD