![Trigonometric functions - Wikipedia - Trigonometric functions In mathematics, the trigonometric - StuDocu Trigonometric functions - Wikipedia - Trigonometric functions In mathematics, the trigonometric - StuDocu](https://d20ohkaloyme4g.cloudfront.net/img/document_thumbnails/7de291da1ca2ebab77b716c11762b6b2/thumb_1200_1698.png)
Trigonometric functions - Wikipedia - Trigonometric functions In mathematics, the trigonometric - StuDocu
Why the fourier transorm of cosine is two delta functions with amplitude π and it is not only one delta function with amplitude one and what is the relationship between the amplitude
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