Ответ:
tg 25П/6 = sin 25П/6 : cos 25П/6 = sin П/6 : cos П/6
sin П/6 = 1/2
cos П/6 = √3/2
tg 25П/6 = 1/2 : √3/2 = 1/2 * 2/√3 = 1/√3 = √3/3
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Ответ:
tg 25П/6 = sin 25П/6 : cos 25П/6 = sin П/6 : cos П/6
sin П/6 = 1/2
cos П/6 = √3/2
tg 25П/6 = 1/2 : √3/2 = 1/2 * 2/√3 = 1/√3 = √3/3