Solve the equation for 0 < x < 2pi.
4 sin^2 x+1= -4 sinx

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Use sigma notation to represent the following series for 9 terms.

Which is the graph of this function 3 square root of x plus one if