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| -rw-r--r-- | Fourier Series.page | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Fourier Series.page b/Fourier Series.page index 8e0732c..a46cf95 100644 --- a/Fourier Series.page +++ b/Fourier Series.page @@ -6,9 +6,9 @@ We first begin with a few basic identities on the size of sets. Show that the se ##Why Fourier series is plausible?</b> To show that Fourier series is plausible, let us consider some arbitrary trignometric functions and see if it is possible to express them as the sum of sines and cosines: - $1. \cos(2x) = 1 - 2 \sin^2(x) -\therefore \sin^2(x) = 1/2 - \cos(2x)/2 -$ + $1. \cos(2x) = 1 - 2 \sin^2(x)$ +$\therefore \sin^2(x) = 1/2 - \cos(2x)/2$ + ##What is the Fourier series actually?</b> |