Any help with this prof is most wellcome.
Prove that, for any continuosly differentiable function f on [-phi, phi],
│ ∫[-phi, phi] f(t)cos(t) –f´(t) sin (t) dt│
≤ (2*phi)^½ * ({∫│f(t)^2 +│f´(t)│^2})^½
mathstudentdk@yahoo.com
Any help with this prof is most wellcome.
Prove that, for any continuosly differentiable function f on [-phi, phi],
│ ∫[-phi, phi] f(t)cos(t) –f´(t) sin (t) dt│
≤ (2*phi)^½ * ({∫│f(t)^2 +│f´(t)│^2})^½
mathstudentdk@yahoo.com