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Title [Mia So] 문제질문
4.2trigonometry of right triangles 3
Author Jul*** Date Posted 2025-03-12 오후 8:10:39

ex.3 3번 csc데타는 4.5분의 y, y는 4.5csc세타

cot 세타는 4.5분의 x, x는 4.5cot세타로 써도되나요?
2025-03-13 오전 12:49:27

안녕하세요?

 

네 맞습니다^^

1 / sin θ  = csc θ, 1 / tan θ  = cot θ (서로 reciprocal 관계)이기 때문에

y = 4.5 / sin θ  = 4.5 csc θ

x = 4.5 / tan θ  = 4.5 cot θ

입니다. 
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