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Show that cos3t equals 4cos cubed t - 3cos t?
cos(3t) = cos(2t + t) = cos(2t)*cos(t) - sin(2t)*sin(t) = [cos2(t) - sin2(t)]*cos(t) - 2*cos(t)*sin(t)*sin(t) = [cos2(t) - sin2(t)]*cos(t) - 2*cos(t)*sin2(t) then, since sin2(t) = 1 - cos2(t) = [2*cos2(t) - 1]*cos(t) - 2*cos(t)*[1 - cos2(t)] = 2*cos3(t) - cos(t) - 2*cos(t) + 2*cos3(t) = 4*cos3(t) - 3*cos(t)
What is 2000 lb equal to in a ton?
2000 pounds is equal to 1 ton in the United States customary system. This is the standard conversion, where 1 ton is defined as 2000 pounds. In other measurement systems, such as the metric system, a ton can refer to different values, but specifically for the US ton, the equivalence holds true.
What will 600mgs of trazodone do to a 115 lb girl?
A dosage of 600 mg of trazodone is significantly higher than the typical prescribed range, which usually falls between 150-400 mg for adults. In a 115 lb girl, this could lead to severe side effects, including extreme sedation, dizziness, confusion, and potentially dangerous cardiovascular effects. It is crucial to seek immediate medical attention if such a high dose is ingested, as it can result in overdose. Always consult with a healthcare professional regarding medication dosages.
What is the graph of f(t)(sin t cos t?
The graph of the function ( f(t) = \sin(t) \cos(t) ) can be simplified using the double-angle identity for sine, resulting in ( f(t) = \frac{1}{2} \sin(2t) ). This function oscillates between -0.5 and 0.5, with a period of ( \pi ). The graph will exhibit a wave-like pattern, with peaks and troughs occurring at intervals of ( \frac{\pi}{2} ). Overall, it is a smooth, continuous curve that represents the amplitude-modulated sine wave.
Which is greater 18000 lb or 9 t?
To compare 18,000 pounds and 9 tons, it's important to convert tons to pounds. One ton is equivalent to 2,000 pounds, so 9 tons is equal to 18,000 pounds (9 x 2,000 = 18,000). Therefore, 18,000 lb and 9 t are equal.
How many lb does 5000lb equal?
2t and 1000lb
2T=lb?
4000
Is 4400 pound greater than 2t?
Yes; because 2t is 4000 lb.
2t is equal to how many lb?
To convert from tons (t) to pounds (lb), you need to multiply by 2,000. Therefore, 2 tons is equal to 4,000 pounds.
6 tons 300 pounds minus 2 tons 900 pounds equals what?
Probably simplest (easiest not to get mixed up) to convert both to lb, subtract, then convert back to tons. 1 ton = 2000 lb, so: 6t 300 lb = 6x2000 lb + 300 lb = 12000 lb + 300 lb = 12300 lb 2t 900 lb = 2x2000 lb + 900 lb = 4000 lb + 900 lb = 4900 lb 12300 lb - 4900 lb = 7400 lb convert back to tons: 7400 lb/ 2000 lb per ton = 3 tons 1400 lb
What is the answer to 3r plus 3r plus 2t?
3r + 3r + 2t = 6r + 2t
2t - 3 - 3 equals 7?
2t-3-3 = 7 2t = 7+6 2t = 13 t = 6.5
Solve the following equation 19-2t equals 7?
19-2t = 7 -2t = 7-19 -2t = -12 t = 6
Can you solve 12 parentisis t plus 6 parentissi plus 8 equals 4 parentisi 2t - 1 parentisis plus 2t?
12(t+6)+8=4(2t-1)+2t 12t+72+8=8t-4+2t 12t-2t-8t=-72-8-4 2t=-84 2t/2=84/2 t=42
What is the result of 2t-5t9?
2t-5t=-3t
What is 2t plus 7 plus 2t?
4t +7
What is t if 75 plus 2t equals 100 minus 2t?
75+2t=100-2t 4t=25 t=6.25 So t is 6.25 or 25/4.
