Question #98575

1 Answer
Somebody N.
Dec 4, 2017

#color(blue)(7.5^@ , 97.5^@ , 187.5^@)#

Explanation:

#tan(2x-15)=0#

#tan^-1(tan(2x-15)=tan^-1(0)#

#2x-15=0^@ , 180^@ and 360^@#

#:.#

#2x-15=0^@=>x=15/2=7.5^@#

#2x-15=180^@=>x= (108+15)/2=97.5^@#

#2x-15=360^@=>x= (360+15)/2=187.5^@#

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