Which of the following is an identity? a. secx tanx - cosx cotx = sinx b. (tanx + cotx)(sinx cosx) = 1 c. sin2x = 4 - 2cos2x d. cosx(2sinx + 1) = 0

Consider the graph of the exponential function y=3(2)×

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *