Question #82960
1 Answer
Feb 15, 2018
Explanation:
#"note that "tan(-x)=-tanx#
#90^@,60^@,30^@" and sides "1,sqrt3,2#
#rArr tan(-30)=-tan(30)=-1/sqrt3#
#"note that "tan(-x)=-tanx#
#90^@,60^@,30^@" and sides "1,sqrt3,2#
#rArr tan(-30)=-tan(30)=-1/sqrt3#