Density varies with temperature. Various institutions have standard temperatures and pressures when measuring such properties though none use 15 degrees.
15 C
cos(15 deg) = 0.9659, approx.
Density @ 15 Deg = 0.7952 ( 20 Deg Density + 0.0032)
55 deg 52 min N, 4 deg 15 min W
82.2 deg C = 179.96 deg F
It is 59 deg F.
Stage 1: 25nm Stage 2: 60deg Stage 3: 60 deg Stage 4: 30 deg Stage 5: Idle for 15 minutes Stage 6: 30 deg Stage 7: 15 deg
It is 0.1951, approx.
59 deg F is 15 deg C, wherever that is.
Assuming that "dergrees ferenhitt" is degrees Fahrenheit, 15 million deg F = 8333316 deg C
The most basic example you can have entails adding the positive and negative of the irrational to get zero: e + -e = 0 Another example you can give is to use compound angle formulae with trig: sin(15 deg)cos(75 deg) + sin(75 deg)cos(15 deg) = sin(90 deg) = 1
59 degrees F.