Which expression is equivalent to (1 + cos(x))2tangent (startfraction x over 2 endfraction) )?.

In what ways did balanced and unbalanced forces affect the motion of the gymnast?

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

Late at night some traffic signals change patterns and become ?