isabellaromero152
isabellaromero152 isabellaromero152
  • 26-03-2022
  • Mathematics
contestada

What is the simplified form of cos ??

What is the simplified form of cos class=

Respuesta :

MathGeek99
MathGeek99 MathGeek99
  • 26-03-2022

Answer:

[tex]\frac{\sqrt{2} }{2\\}[/tex]

Step-by-step explanation:

A triangle has a total of 180° (B is a 90° angle)

Take 180° - 90° to find the angle of A + C which equals 90°

take 90°/2 to get the angle of C which is 45°

and to check that take 45°+45°+90°= 180°

Now...

cos (C)

cos(45°) = [tex]\frac{\sqrt{2} }{2}[/tex] [Answer]

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