Find the indicated side of the triangle. A=?

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.