29. evaluate without using tables:
seccos ec(90-0) - tan cot(90-0) + (sin 35 + sin 55')
tan 10 tan 20 tan 45 tan 70'tan 80
or

The military dictatorship inviolently reacted to the opposition of the maya, who demanded greater rights for their native population. the genocide inresulted from a struggle between arab nomadic tribes and non-arab agricultural groups. the tutsi were the victims of genocide inat the hands of the hutu rulers.