1. IfA- 0,6,TT2and f: A → B isa surjection defined by f(x)-cos x the – InterviewSolution

1.	1. IfA- 0,6,TT2and f: A → B isa surjection defined by f(x)-cos x then find-B
Answer» cos0=1cospie/6=root(3)/2cospie/4=1/root(2)cospie/3=1/2cospie/2=0so B={1,root(3)/2,1/root(2),1/2,0}

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