The infinite series description of trig functions is much neater when the argument is radians. For example, for small angles, sin(x) ≈ x when x is in radians. You could say that radians is the "natural" measurement unit for angles, just as "e" is the "natural" base of logarithms.
If the angle measure were degrees or grads or arcseconds, obnoxious scale factors would show up everywhere.
Answer: i believe it'll take 6 gallons to fill up the tank two thirds full
Step-by-step explanation: 3 x 1 x 2 = 6 gallons
They have 86/100 dollars, or 86 cents.
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Answer:
2.24 hours
Step-by-step explanation:
time = distance/rate
t = 26.2/11.7
t = 2.24 hours
Answer:
As the wheel makes this 270 degree counterclockwise rotation about the origin, the y-coordinate of the first car decreases from 80 to 0 and then further from 0 to -80, and finally increases to 0.
The x-coordinate decreases from 0 to -80 and then increases to 0; from there it increases further to 80.
Thus, the coordinates of the first car, after this 270-degree rotation, are (80, 0).
