- Write the product as a sum: cos(9x) cos(5x) Write the sum as a product: sin(x) − sin(6x)?

Discover Questions

What mass of Al2O3 is produced when 81g of Al undergoes complete combustion (with workings please)? In Al, how any electrons are in the 2p orbital? Can anyone help with the angle? When x=0 does it have a y-intercept when it goes through both the x-axis and y-axis? Why is it important to know the temperature and pressure when dealing with gases?