- If sin t=a, cos t=b, tan t=c, Write: sin(-t-2pi)-cos(-t-4pi)+tan(t-pi) in terms of a,b,c?

Discover Questions

Photon as defined are they really a wave,since a wave can only exist if a medium exists? Whydon`t I GET ANY MESSAGES? If all stars have a magnetic field ,why not the whole Universe also? How come a gravitational like the Earth mass is deemed to be non inertial is it not also a moving mass? What is the study of earth system and the systems in space is called-science.?