In Windows-10 calculator, if I typed Sin(30 degrees) I am getting the answer 0.5 which is correct but it is displaying
sin₀(30) = 0.5
My question is why sin has the zero subscript added to it?
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Siva Manasan
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3It shows that the angle you've entered is in degrees. If you change it to radians it'd show something like $\sin_r x$ where $x$ is in radians. – 19aksh Jul 14 '19 at 10:06
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Thank You Ak19, I understand the radian and degrees options but what does the gradient means? Any links? – Siva Manasan Jul 14 '19 at 10:09
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A subscript $g$ like $\sin_g x$ is used to show the Grade system and $90^o = 100^g$ – 19aksh Jul 14 '19 at 10:10
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No it shows subscript 9 to sin gradient.( https://i.imgur.com/r3bUUiG.png ) Why? – Siva Manasan Jul 14 '19 at 10:12
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It's actually a $g$ – 19aksh Jul 14 '19 at 10:13
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1https://en.wikipedia.org/wiki/Gradian – Hans Lundmark Jul 14 '19 at 10:17