SCIENCE WEEK:THE WAY in which classroom trigonometry has helped innovative companies to transform the music world was discussed yesterday at a Science Week event in Ballymun. More than 100 ...

You’re standing at the edge of a cliff, phone in hand, trying to measure the distance to the opposite side – no tape measure, no drone, just your brain. Now what? Trigonometry just became your ...

Publications of the Astronomical Society of the Pacific, Vol. 111, No. 763 (September 1999), pp. 1163-1168 (6 pages) ABSTRACT Trigonometric parallaxes of three planetary nebulae (A21, A29, and He 2‐11 ...

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In this paper discrete trigonometric methods as well as quadrature methods for solution of boundary integral equations on smooth closed curves are presented and analyzed. The analysis applies the ...