f(x) = tanx - xcos3x, find f(-pi/3)

[vjekobalas]

f(x) = tanx - xcos3x, find f(-pi/3)

can the function be simplified / how would you solve it ? (without calculator )

 

[Deleted member 4993]

can the function be simplified / how would you solve it ? (without calculator )

Hint: tan (π/3) = √3

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