Do we need to convert the system of calculator to red in like this queation

  • Thread starter r-soy
  • Start date
  • #1
r-soy
173
1
Hi

Do we need to convert the system of calculator to red in like this queation
 

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Answers and Replies

  • #2
Mentallic
Homework Helper
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Sorry I don't understand what you mean.
 
  • #3
r-soy
173
1
In the ( calculator ) there are many systyem for exampl when you press MODE button in calculator you can chose ( Deg ) or ( Rad ) or ( Gra )

my queation now do we need to change the system of calculator to rad in like above question
 
  • #4
Char. Limit
Gold Member
1,216
22
Yes, you do.
 
  • #5
HallsofIvy
Science Advisor
Homework Helper
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In any problem where you do not specifically have angles given in degrees, you should think of arguments of trig functions as being in radians.

(You had said "in red" before rather than "in rad"!)
 

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