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dyn's latest activity
D
dyn
replied to the thread
I
Definite integral is undefined and not undefined
.
The trig formula 2sinAsinB = cos (A-B) - cos (A+B) applies for A=B and A≠B so when i use that formula in the integral why does it not...
Feb 27, 2024
D
dyn
replied to the thread
I
Definite integral is undefined and not undefined
.
If i integrate cos (πx/L) ( n-k) , i get L/(π(n-k))sin (πx/L)(n-k) which is undefined at n=k
Feb 27, 2024
D
dyn
posted the thread
I
Definite integral is undefined and not undefined
in
Calculus
.
Hi If i calculate the definite integral between the limits of L and 0 of sin(nπx/L)sin(kπx/L) using the trig formula 2sinAsinB = cos...
Feb 26, 2024
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