Asked by Mike
Find where the function is increasing and where it is decreasing
f(x)=2sin(x) on [0,2pi]
Thanks
f(x)=2sin(x) on [0,2pi]
Thanks
Answers
Answered by
Steve
recall that f is increasing where f' > 0
f' = 2cosx
and you know that cosx is positive in QI and QIV. That is in (0,π/2) and (3π/2,2π).
f' = 2cosx
and you know that cosx is positive in QI and QIV. That is in (0,π/2) and (3π/2,2π).
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