In right triangle ABC, ∠A and ∠B are complementary angles and sin A = 8/9. What is cos B? PLz hurry

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

W-16=-12 solve each one step equation plz

Find cot x if sin x cot x csc x = √2