Question

Para o triângulo da figura, calcule:
A)Sen a
B)Cos a
C)Tg a
D)Sen b
E)Cos b
F)Tg b

Answer 1

( 17 ) 2 = x2 + ( 15 ) 2
289 = x2 +225
x2 = 289 -225
x2 = 64
x = 8

a) senA = 15 / 17
b) cosA = 8 / 17
c) tg A = 15 / 8
d) sem B = 8 / 17
e) cos B = 15 / 17
f) tg B = 8 / 15