Which of the following is an identity? a. sinx - cosx + 1 = tanx b. (1 - 2sin^2x)csc^2 x = 4cos2x - 2 c. sin^2xcot^2x + cos^2xtan^2x = 1 d. tan^2x + cot^2x = 1

From the figure and statement provided, select the proper to prove statement. through a point outside a line one line can be drawn parallel to the line. mn= ab ab + bc= ac mis parallel to ! ab=bc als parallel to b

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall