LAWOFCOSINES.pdf - LAW OF COSINES A A A b c b c C B a a C a Ba a,0f Ca0,0f B A b cos C b sin C By the distance formula c b cos C a b sin C 0 2 2 c 2 b 2

LAWOFCOSINES.pdf - LAW OF COSINES A A A b c b c C B a a C a...

This preview shows page 1 out of 1 page.

LAW OF COSINES a c b B C A a b c A B C b c a A C B A b C b C B a C cos , sin , , a f a f a f 0 0 0 By the distance formula: 2 2 cos sin 0 c b C a b C 2 2 2 2 2 2 cos 2 cos sin c b C ab C a b C 2 2 2 2 2 cos sin 2 cos c a b C C ab C 2 2 2 2 cos c a b ab C Other forms: a b c bc b a c ac A

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture