Solve: #5tan3x=2# for #x in (0, 180^o)#?

1 Answer
Alan N.
Dec 19, 2017

#x approx 7.2672^o#

Explanation:

#5tan3x=2#

Let #theta =3x#

#5tan theta = 2#

#tan theta = 2/5 = 0.4#

#theta = arctan 0.4#

#theta approx 21.8015^o#

#x= theta/3 approx 21.8015^o/3#

#x approx 7.2672^o# for #x in (0,180)#

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