Some imp math formulas
Some imp math formulas
1.d/dx sinx=cosx
2. D/dx cosx=-sinx
3. D/dx tanx=sec2x
4.d/dx cotx = -cosex2x
5. D/dx secx=secxtanx
6.d/dx cosecx= -cosec cotx
7. $in90=1
8. Cos90= 0
9. Sin180=o
10.cos180=-1
11. Sin270=-1
12.cos270= o
13.sin 360= 1
14. Cos 360=o
15. Sin(x+y)= sinxcosy+cosxsiny
16. Cos(x+y) = cosxcosy-sinxsiny
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