ПОМОГИТЕ МОЛЮ!ОЧЕНЬ НУЖНО(25 баллов)
1) (2tg π/6-tg π/3):cos π/6
2) sin π/3 *cos π/6 -tg π/4
1) (2tg π/6-tg π/3):cos π/6
2) sin π/3 *cos π/6 -tg π/4
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Answers & Comments
=-2/3
2)sin π/3 * cos π/6 * tg π/4
sin 60 * cos 30 * tg 45