If f(x) =cos[pi] x+cos[pi x], then find f(pi/2),where [.] denotes the greatest integer.
Brijendra , 8 Years ago
Grade 12
Algebra> If f(x) =cos[pi] x+cos[pi x], then find f...
1 AnswersVidu
Last Activity: 8 Years ago
f(x)=cos[pi]x+cos[pix]f(pi/2)=cos[pi]pi/2+cos[pi*pi/2]Since pi=3.14 its integral part is 3So,cos3pi/2+cos[4.something]0+cos4Ans. Cos 4
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