Ответ:
tg a = 2
sin a = 2 cos a
{4 cosa+5 cosa\over3 cosa-2cosa}=93cosa−2cosa4cosa+5cosa=9
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Ответ:
tg a = 2
sin a = 2 cos a
{4 cosa+5 cosa\over3 cosa-2cosa}=93cosa−2cosa4cosa+5cosa=9