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Questions and Answers
Quale identitate trigonometric es correcte?
Quale identitate trigonometric es correcte?
- sin 20 + cos 20 = 0
- sin 20 - cos 20 = 1
- sin 20 + cos 20 = 2
- sin 20 + cos 20 = 1 (correct)
Que es la relation correcte inter cos 20 e sin 20?
Que es la relation correcte inter cos 20 e sin 20?
- cos 20 = sin 20 + 1
- cos 20 = 1 - sin 20 (correct)
- cos 20 = sin 20 + sin 20
- cos 20 = sin 20 - 1
Quale es correcte pro cosec 20?
Quale es correcte pro cosec 20?
- cosec 20 = 1 + cot 20 (correct)
- cosec 20 = cot 20 - 1
- cosec 20 = 1 - tan 20
- cosec 20 = 1 - cot 20
Qual es la relation correcte inter sec 20 e tan 20?
Qual es la relation correcte inter sec 20 e tan 20?
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Que exprime tan 20?
Que exprime tan 20?
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