° is degree sign.
Saying that y = sin(x°) is the same as saying y = sin((pi/180) x). By the chain rule,
dy/dx = d/dx sin((pi/180) x) = (pi/180) cos((pi/180) x).
If you like, you can also write the answer as dy/dx = (pi/180) cos(x°).
cos x
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Saying that y = sin(x°) is the same as saying y = sin((pi/180) x). By the chain rule,
dy/dx = d/dx sin((pi/180) x) = (pi/180) cos((pi/180) x).
If you like, you can also write the answer as dy/dx = (pi/180) cos(x°).
cos x