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nastuha511
@nastuha511
July 2022
1
23
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Найдите:
а)синус А, если косинус А = -1/3
б)косинус А, если синус А = 2/5
в)тангенс А, если косинус А = 1/2
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sirOnix
A = 1-
= 1 -1/9 = 8/9
sinA =
=
дальше самостоятельно, вот формула:
9 votes
Thanks 4
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Answers & Comments
sinA =
дальше самостоятельно, вот формула: