this is a repost of my old post.
c and d are wrong in my online assignment
Complete the table by solving the parallelogram shown in the figure in the website link below. (The lengths of the diagonals are given by c and d. Round your answers to two decimal places.)
www.webassign.net/larpcalclim2/6-2-021.gif
a=22
b=39
c=
d=
θ=58 °
ϕ=122°
4 answers
law of cosines
c^2 = a^2 + b^2 - 2 a b cos 122
d^2 = a^2 + b^2 - 2 a b cos 58
c^2 = a^2 + b^2 - 2 a b cos 122
d^2 = a^2 + b^2 - 2 a b cos 58
thanks damon
You are welcome.