1) cosα a) Cos(270+α) b) Sin(90+α) c) Tg(90+α) d) Ctg(270-α) 2) -sinα a) Cos(90+α) b) Tg(270+α) c) Cos(180-α) d) Ctg(90+α) 3) -ctgα a) Tg(90+α) b) Cos(360+α) c) Tg(270-α) d) Sin(360-α) 4) -tgα a) Cos(90+α) b) Tg(90+α) c) Ctg(90+α) d) Cos(360+α) 5) sinα a) Sin(180-α) b) Cos(360+α) c) Tg(270+α) d) Ctg(270-α) 6) -cosα a) Sin(360-α) b) Cos(180-α) c) Ctg(270+α) d) Cos(270+α) 7) -tgα a) Tg(180-α) b) Tg(270-α) c) Cos(180-α) d) Sin(270+α) 8) -ctgα a) Ctg(180-α) b) Tg(180-α) c) Ctg(90+α) d) Cos(90+α) 9) -cosα a) Tg(270+α) b) Sin(270+α) c) Tg(180-α) d) Cos(90+α) 10) sinα a) Cos(270+α) b) Cos(360+α) c) Sin(270+α) d) Ctg(270-α) 11) -ctgα a) Sin(90+α) b) Ctg(90+α) c) Ctg(270+α) d) Tg(270+α) 12) -tgα a) Sin(90+α) b) Cos(180-α) c) Ctg(270+α) d) Cos(360+α) 13) -sinα a) Ctg(90+α) b) Sin(270+α) c) Sin(360-α) d) Sin(180-α) 14) cosα a) Ctg(180-α) b) Ctg(270+α) c) Sin(180-α) d) Cos(360+α) 15) ctgα a) Sin(270+α) b) Tg(270-α) c) Tg(180-α) d) Cos(360+α) 16) tgα a) Ctg(270+α) b) Ctg(270-α) c) Sin(180-α) d) Sin(270+α)

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