Question

Quien me ayuda porfavor:''(
Con procedimiento porfa

Answer 1

SENA= CO/HIP
SenA = 12/20
SenA = 3/5

CosA = CA/HIP
CosA = 5/13

cos^2A = (cosA)^2
Cos^2a = (1/raíz(5))^2
cos^2A = 1/5


E = sena + cosa
E = 1/hip + 3/hip
E= 4/hip

sena = 12/15
sena = 4/5