You purchase a new laptop for $450 but there is a sale of 30°o off the price. What is the sale price?

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

What is the area of the shaded sector?

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?