x/5=2.4
x/5=2,4
-3x=4
A + B + C = pi then prove that cos^2 A + cos^2 B + cos^2 C = 1 - 2cos A * cos B * cos C Hence prove that cos 60 deg = 1/2
Can you find four different fractional units that add
up to 1?
It turns out that this problem has six solutions! Can
you find ...
f +BC=$\i$thnp
31+35.5x (0.06+x) =12.51 find x
2a/3 x 6a
2a/3+3a2a/3 + 3a2a/3+3a
