Vectores

A: 120°
B: 310°
C: 150° 40N

∑cx= cos120°+Cos310°+Cos40° (150)
∑cx= -0.5+0.6427+76.6044
-0.5=0.6427+76.6044
0.6427+76.6044 = 1.2854B+153.20800.5
∑cy= sen120° (1.2854+153.2080)+sen310°B+Sen40°(100N)
∑cy= 1.1131B+132.6788N-0.7660B+642787N
0.3471B+196.9575N
-0.3471B=196.9575N
B=196.9575 = -567.4373
-0.3471

1.28(-567.4373)+153.2088
-729.3839+153.2088
=-576.1751

A=152°
B=320°
C=320N 36°
Ecx= Cos152°+Cos320°+Cos36°(320)Ecx=-0.8829+0.7660+278.08
-0.8829=0.7660+278.08
0.7660+278.08 = 0.8675B+314.9620
0.8828

Ecy= Sen152(0.8675+314.9620)+Sen320°+Sen36°(320N)
-0.2353+336.0016
0.2353=336.0016N
B= 336.0016 = 1427.9711
0.1353

0.8675(1427.9711)+314.9620
1238.7649+314.9620
1553.7269=AA=80°
B=110°
C=310°(500N)
Ecx=Cos80°+Cos110B+Cos310°(500)
Ecx= 0.1736-0.3420B+336.35
-0.1736=-0.3420B+336.35
-0.3420B+336.35 = 19700.4608ª+1937.5-0.1736

Ecy= Sen80°A+Sen!10°B+Sen#10°(%00N)
Ecy= Sen80°(19700.4608)+!937.5)+Sen110°+Sen310°(500)

14401.0138A+1908.05N+=.9396-0.766014401.9534+1907.284N
-14401.9534=1907
1907.284 = 0.1324
14401.9534
19700.4608(0.1324)+1937.5
2608.3410+1937.5
4545.841

A=50°
B=26°
C=49° 400NEcx= Con50°A+Cos26°A+Con49°A($00N)
0.6427+0.8987+262.4
-0.6427=0.8987+262.4
0.8987+222.4 = 1.3983ª+408.2775
0.6427Ecy=Sen50°(1.3983+408.2765)+Sen26°+Cos49°($00N)
1.0715+312.7397+0.4383+301.96
1.5098+614.1997
-1.5098=614.6997
614.6997 = 400.5164
1.5098
1.3983(400.5164)+408.2775