Use the Law of Cosines to find angle B if a=4,b=6, and c=9 (Round to 2 decimals places) I don't know if this answer is right but this is what I did cos B = (6^2 - 4^2...
Use the Law of Cosines to find angle B if a=4,b=6, and c=9 (Round to 2 decimals places) I don't know if this answer is right but this is what I did cos B = (6^2 - 4^2...
AD is drawn perpendicular to BC ,m(BAD)=alpha,and m(CAD)=beta Prove that:AD=a*cos(alpha)*cos(beta)/sin(alpha+beta)
For the kite shown in the figure, use the Law of Cosines to find the lengths of the two dowels required for the diagonal supports, where a = 70 cm, b = 150 cm, α = 55°, and β = 42.24°.
How to solve an acute triangle with a missing side by using the law of cosines.... Segment CB is 45, segment BA is 43, segment CA is unknown "b", <B is 88 degrees. I am supposed to find...