September 2018 1 43 Report

Oblicz:
a) 4* cos60 * sin30 - cos30 *sin60
b) ctg30 *ctg45 : ( ctg60 * tg45)
c) 18 * sin30 * tg30 : (cos30 * tg60)

d) 6 * (sin30 *cos45 * ctg60) : (ctg30 * sin45)

e) 12 * (tg60 - cos60) * (tg30 + cos30)

f) (sin45 + ctg45) * ( 6 * sin60 - ctg30)


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