What is the complement of an angle that measures 43 deegress ?

Solve for x where 0 equation: cot^2x+2cotx+1=0

Here is another math questions. i will keep asking different questions. 4^2x=6

Acertain company's main source of income is a mobile app. the company's annual profit (in millions of dollars) as a function of the app's price (in dollars) is modeled by p(x)=-2(x-3)(x-11)p(x)=−2(x−3)(x−11 ) which app prices will result in \$0$0 annual profit? enter the lower price first.