Don't ba cl 1f o cotiouowu voriable which tunifor o ton- a conding, to th distrdbution f) exp(-ya) +hoh valu of cos u tier 201 )16 enpe catadiun a) zeno b n

because in this question they were asking for expectation value only and in expectation value we define in this form integral of f*cos4xf ........ If you want to find the normalisa...

Here is the detailed solution