Discover Questions

Help with some geometry? X(t)= -2cos5t + 2(3)^(0.5)sin5t find amplitude,period and phase shift? Evaluate the definite integrals
cos^2(3x)dx when you have -pi/6 on the top of the integral sign and 0 on the bottom? What is the equation to calculate the flatness of the Earth? How to make a stock solution of 150 mM KCl and 10 mM of Na2HPO4 with a pH of 7.?