Формулы приведения

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Формулы приведения

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Упростите cos(3π/2 - t)

1 point

cos t

-cos t

sin t

-sin t

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ФИ *

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Упростите tg(t-180)

1 point

tg t

-tg t

ctg t

-ctg t

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Упростите sin(π+t)

1 point

cos t

-cos t

sin t

-sin t

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Упростите ctg(3π/2-t)

1 point

tg t

-tg t

ctg t

-ctg t

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Упростите cos(90+t)

1 point

cos t

-cos t

sin t

-sin t

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