Random Questions from 2016 Prelims #1

YJC P1 Q4

Given h(x) = x \text{cos}x for 0 \le x \le \frac{\pi}{2}. If h(x)=h(-x) and h(x+\pi)=-h(x), sketch the graph of h(x) for -2\pi \le x \le 2\pi.

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  • Charles
    Reply

    Hi, the first part of the question appears as

    “Given latax h(x) = x \text{cos}x” (no problem with anything from the word “for”).

    • KS Teng
      Reply

      yes, cos there is an error in the code

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