Read the excerpt from Midnight Assassin. At the coroner’s inquest, most of the Hossacks and their neighbors were tight-lipped ab
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The reference angle is the smallest angle between the terminal side and the x-axis.
300 degrees is in the 4th quadrant.
So, the reference angle is
Hence, the reference angle of 300 degrees is 60 degrees
225 degrees is in the 3rd quadrant.
So, the reference angle is
Hence, the reference angle of 225 degrees is 45 degrees
480 degrees is in the 2nd quadrant (i.e. 480 - 360 = 120)
So, the reference angle is
Hence, the reference angle of 480 degrees is 60 degrees
-210 degrees is in the 2nd quadrant (i.e. 360 - 210 = 150)
So, the reference angle is
Hence, the reference angle of -210 degrees is 30 degrees
Read more about reference angles at:
The matchup statement associated with rods or cones are:
<h3>Rods:</h3>- involved with night vision
- smooth plasma membrane surrounding the intramembranous discs
- uses rhodopsin
- used in scotopic vision
- absorption peak occurs at 500 nm
- highly concentrated in and around the macula
- involved with color vision
- infolded plasma membrane surrounds each disc
- uses photopsin
- absorption peaks occur at 420, 531, and 558 nm
The Rods are known to help in regards to vision at low light levels or scotopic vision.
The cones are known to help or function in regards to vision at the point of higher light levels or what we call photopic vision.
Hence the matchup above are correct.
Learn more about rods and cones from
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