BNelly55 BNelly55
  • 21-07-2021
  • Mathematics
contestada

Identify the terminal point for a 45° angle in a unit circle.
O A (231)
O B.
O c.
V2 72

Identify the terminal point for a 45 angle in a unit circle O A 231 O B O c V2 72 class=

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jimrgrant1 jimrgrant1
  • 21-07-2021

Answer:

D

Step-by-step explanation:

x- coordinate = cos45° = [tex]\frac{1}{\sqrt{2} }[/tex] = [tex]\frac{\sqrt{2} }{2}[/tex]

y- coordinate = sin45° = [tex]\frac{1}{\sqrt{2} }[/tex] = [tex]\frac{\sqrt{2} }{2}[/tex]

That is ( [tex]\frac{\sqrt{2} }{2}[/tex] , [tex]\frac{\sqrt{2} }{2}[/tex] ) → D

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