Given tantheta = 4/3 and pi < theta < 3pi/2; find cos2theta

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

What is the best reason for jacinta to have a savings account in addition to a checking account

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.