mate

1
C 2 =a 2 +b 2 2 senα . cosα 1 S= LR 2 = θR 2 2 = L 2 2 θ cos50 º 90 30 senθ cosθ 32 3 180 20 θR 2 2 tan 2 α +1 cos 2 αsen 2 α 9 1cosα 2

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Page 1: Mate

C2=a2+b2

2 senα . cosα

1

S= LR2

=θ R2

2= L2

cos50 º

90

30

senθcosθ

32√3

180

20

θR

√22

tan2α+1

cos2α−sen2α

9

∓√ 1−cosα2