Формулы суммы и разности аргументов Flashcards by Peter Timofeev

Q

sin(A+-B)=

A

=sinAcosB+-sinBcosA

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Q

cos(A+-B)=

A

=cosAcosB+-sinAsinB

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Q

tg(A+-B)=

A

=tgA+-tgB/1+-tgAtgB

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Q

ctg(A+-B)=

A

=-1+-ctgActgB/ctgA+-ctgB

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