Question

calcule o valor de seno, cosseno e tangente do c

Answer 1

Ola Kamilla

sen(α) = 18/20 = 9/10 = 0.90

valor de outro cateto

20² = 18² + x²

x² = 400 - 324 = 76
x = 8.718 

cos(α) = x/20 = 8.718/20 = 0.4359

tg(α) = sen(α)/cos(α) = 0.90/0.4359 = 2.065

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