Формулы суммы и разности тригонометрических функций

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Вопросы к конспектам

fraction numerator size 12px s size 12px i size 12px n size 12px alpha size 12px minus size 12px 2 size 12px s size 12px i size 12px n size 12px 2 size 12px alpha size 12px plus size 12px s size 12px i size 12px n size 12px 3 size 12px alpha over denominator size 12px c size 12px o size 12px s size 12px alpha size 12px minus size 12px 2 size 12px c size 12px o size 12px s size 12px 2 size 12px alpha size 12px plus size 12px c size 12px o size 12px s size 12px 3 size 12px alpha end fraction size 12px equals size 12px ?
Вычислите: tg1° + tg2° - tg3° + tg1° * tg2° * tg3° 
Найдите значение выражения: Error converting from MathML to accessible text.
cosα + cos2α + cos6α + cos7α = ?
tgα + ctgα + tg3α + ctg3α = ? 
Вычислите: Error converting from MathML to accessible text.
Вычислите: Error converting from MathML to accessible text.
Упростите: tg20° + 4sin20° = ?
Упростите:  sin52° + sin8° – cos22° = ?
Последнее изменение: Воскресенье, 29 Январь 2017, 23:35