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Oksana6548
@Oksana6548
July 2022
2
18
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sin a = 0,8
0 знайти
cos,tg,ctg a
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manyny06
Verified answer
Решение смотри на фотографии
2 votes
Thanks 3
Oksana6548
дддуууже дякуую
налямила1
Cosa = √(1-sin²a) = √(1-0,64) = √0,36 = 0,6
tga = sina/cosa = 0,8/0,6 = 4/3
ctga = 1/tga = 1/(4/3) = 3/4
1 votes
Thanks 1
Oksana6548
дякую вже є
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Verified answer
Решение смотри на фотографииtga = sina/cosa = 0,8/0,6 = 4/3
ctga = 1/tga = 1/(4/3) = 3/4