Evaluate ∫ cot 2x dx. a. 1⁄2 ln csc 2x + c b. 1⁄2 ln cos 2x + c c. 1⁄2 ln sin 2x + c d. 1⁄2 ln sec 2x + c

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?