what is the difference between cos(8) and cosd(8)
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I write an equation related to using cosine, sine, tangent but everytime I run mathlab show me a negative result but when I use calculator it is a positive and giving me correct number. so after a little bit digging and I find that it has something to do with cos, sin, tan, cosd, sind, tand what the difference having d or withouth d?
cos(8)
cosd(8)
sin(20)
sind(20)
tan(30)
tand(30)
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