sgraym9004 sgraym9004 29-12-2022 Mathematics contestada What is f′′(π/4), where f(x)=sinx+cosx? Show all your work. Write your final answer in simplest radical form. If limit notation is needed in your response, use the following example as a guide: lim x→1 (x^2+2) should be written as lim x→1(x^2+2).
