Приведите к наименьшему положительному аргументу: а)sin2000 б)sin(-1000) в)cos1509 г)cos(-2900) д)tg606 е)tg(-400) ж)ctg1315 з)ctg(-320) и)sin(-7,3П) к)cos (34/9)П л)tg(-17/18)П м)ctg(-41/45)П

sin 2000 = sin (1800+200) = sin (360*5+180+20) = sin (180+20) = -sin 20 sin (-1000) = sin (1080-1000) = sin (360*3-1000) = sin 80 = sin (90-10) = cos 10 cos 1509 = cos (1440+69) = cos(360*4+69) = cos 69 = cos (90-21) = sin 21 cos (-2900) = cos (2880-2900) = cos (360*8-2900) = cos (-20) = cos 20 tg 606 = tg (540+66) = tg (180*3+66) = tg 66 = tg (90-24) = ctg 24 tg (-400) = tg (360-400) = tg (-40) = -tg 40 ctg 1315 = ctg (1260+55) = ctg (7*180+55) = ctg 55 = ctg (90-35) = tg 35 ctg (-320) = ctg (360-320) = ctg 40 sin (-7,3pi) = -sin (7,3pi) = -sin (7pi+0,3pi) = sin (0,3pi) cos (34pi/9) = cos (36pi/9-2pi/9) = cos (4pi-2pi/9) = cos (-2pi/9) = cos (2pi/9) tg (-17pi/18) = tg (pi-17pi/18) = tg (pi/18) ctg (-41pi/45) = ctg (pi-41pi/45) = ctg (4pi/45)