What is the derivative of 2sinx and 2cos2x?

Carl wants to buy a television that cost $500 including taxes. to pay for television he will use a payment plan that requires him to make a down payment of $125 and then pay $70.50 each month for six months what is the percent increase from the original cast of the television to the cost of the television using a payment plan.

Which expression converts 45 degree to radians

What is the value of x? assume that the line is tangent to the circle.