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Homework Statement
use the sifting property of the dirac delta function to evaluate the following integrals.
a) integral from -inf to inf sin(t) delta(t-pi/2)dt
b) integral from 0 to 2 e^(2t) delta(t-1)dt
c) integral from 0 to pi e^tan(theta) delta(theta- 3pi/4)d(theta)
d) integral from -inf to inf cos^(2)(theta) delta(theta+y)d(theta)
Homework Equations
integral from -inf to inf f(x) delta(x-x0)dx=f(x0)
The Attempt at a Solution
solutions:
a) 1
b) e^2
c) e^tan(theta)
d) cos^(2)(y)
are these solutions correct?