How to do this? Trig laws

0

695

2

m∠A=15.52, c=18ft, b=16ft, then a=? ft

Guest Jun 22, 2014

0 users composing answers..

Best Answer

+893

+5

Cosine rule,

a^2 = b^2 + c^2 - 2bc*cos(A).

Bertie Jun 22, 2014

2⁺⁰ Answers

+893

+5

Best Answer

Cosine rule,

a^2 = b^2 + c^2 - 2bc*cos(A).

Bertie Jun 22, 2014

0

thank you.

Guest Jun 22, 2014

6 Online Users