work out 0.4+2/15 give your answer as a fraction in its simplest form
.find fourier cosine series for f(x)= {x;0<x<๐/2 ;๐โ๐ฅ ;๐/2<๐ฅ<๐
460-125+301
4162รท7
make x the subject of x/15=h
-7+(x/12)+(x/48)-(0.25x)+8-9=0
45887=PI*(X/2)^2
45887=PI*(X/2)2
make x the subject of 9x=u
all of the equivalent fractions of 50/150 till the denominator is 250