Discover Questions

What is the partial pressure of N2 in a mixture of N2 and O2 having a total pressure of 1075 torr if the partial pressure of O2 is 720 torr? If 5sinθ = 3 determine the value of:
1. cos (θ-360)
2. Tan (squared)θ
3. Sin θ x cos θ (all divided by cos (squared θ)? In equal-tempered tuning the frequency (in Hz) of the note one tone above 220 Hz is...? Why is always a problem in recent years, aircraft, whether artificially or incidents? Differentiate(t) = (cos^3 t+ 3cost +7)^9?