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ПОМОГИТЕ С ТРИГОНОМЕТРИЕЙ
чему равны эти выражения и почему(по какому правилу)
СМ.ВЛОЖЕНИЕ
Ответы 1
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п - это полный период тангенса и котангенсаФормулы приведения: наименование меняется на кофункцию если к аргументу прибавляется дробь вида пk/2; знак определяется по исходной функции, ставится тот знак, который имела бы исходная функция, если а принадлежал бы 1 четверти
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Автор:
cherry5imd - 6 лет назад
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