Is 2 tons and 500 pounds equivalent to 2 1/4 tons?
2 answers:
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Solution:
As we know reference angle is smallest angle between terminal side and X axis.
As cosine 45 ° is always positive in first and fourth quadrant.
i.e CosФ, Cos (-Ф) or Cos(2π - Ф) have same value.
As, Cos 45°, Cos (-45°) or Cos ( 360° - 45°)= Cos 315°are same.
So, Angles that share the same Cosine value as Cos 45° have same terminal sides will be in Quadrant IV having value Either Cos (-45°) or Cos (315°).
Also, Cos 45° = Sin 45° or Sin 135° i.e terminal side in first Quadrant or second Quadrant.
Because 17 37/50 is a mixed fraction, we must convert it into an improper fraction:
To make dividing the fraction easier, we can multiply the numerator and denominator by 2:
Now it's easier to divide the numerator by the denominator:
17 37/50 converted into a decimal is 17.74.
To make dividing the fraction easier, we can multiply the numerator and denominator by 2:
Now it's easier to divide the numerator by the denominator:
17 37/50 converted into a decimal is 17.74.