- Prove that (1+cos Y-2cos^2Y)/sin^2Y=1+ cosY/(1+cosY)?

Discover Questions

What mass of CH4 is contained in a 461 mL sample of CH4 at −59◦C and 330 torr? Answer in units of g.? How do we know that the Galaxies are not moving in unison just like runners in tracts moving at different speeds but same angular velocity? 10.45-9.59? If f(x)=2x+3,g0f(x)=2x-1 find f0g(2)? Are the motion of galaxies relative to the same radius to the gravity center of mass of the Physical Universe with same frequency?