Use a double-angle formula to find the exact value of cos2u when sinu 8/17 where pi/2< u< pi

step-by-step explanation:

if you want to separate 54 into 6 individual tiers then you need to divide if you want to separate 54 into 6 individual tiers then you need to divide 6 and 54.

if you divide 9 by 6 you will get 54.

- hope i .

answer. d.289 hope that