
RAZÕES TRIGONOMÉTRICAS NO TRIÂNGULO RETÂNGULO
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
FABIANO VIANA
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9 Slides • 0 Questions
1
PROF. FABIANO VIANA
9º ANO
REDE DE ENSINO APOGEU
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Obs.: fazemos o estudo do seno e do cosseno num triângulo retângulo apenas sobre os ângulos agudos.
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RESOLUÇÃO:
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Obs.: quando dois ângulos são complementares (somam 90°), o seno do primeiro é igual ao cosseno do segundo.
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RESOLUÇÃO:
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Obs.: para gravarmos melhor e mais rapidamente as fórmulas das definições de cada razão trigonométrica, usaremos a palavra de apoio SOHCAHTOA.
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RESOLUÇÃO:
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RESOLUÇÃO:
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PÁGINA 505, EXERCÍCIOS 11 e 12.
Abraços e bons estudos!
PROF. FABIANO VIANA
9º ANO
REDE DE ENSINO APOGEU
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