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John Rey
Questions (3)
Which of the expressions bellow has x+5 as a factor?
1 answer
215 views
if f(x)=sinx, show that f(x+y)-f(x)=cosx siny-2sinx sin^2(y/2)
1 answer
345 views
if f(x)=sin x, show that f(x+y)-f(x)=cos x sin y-2sin x sin^2(y/2)
1 answer
727 views
Answers (1)
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