TRIGONOMETRIC CALCULUS (EASY HIGH SCHOOL LEVEL)?
d^dx(2sinx+squarerootx)
So question: Why does sin turn into "cos" when your differentiate it?
WHY?
If there is a rule for this or something please explain.
Then what does cos and tan turn into when differentiated?
Answers & Comments
Verified answer
http://www.math.com/tables/derivatives/more/trig.h...
You could try using the first principles to prove that sin becomes cos after differentiation.
As for cos and tan, the derivatives are -sinxdx and sec^2xdx respectively.
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