Elements of Plane Trigonometry bedava kitap

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Elements of Plane Trigonometry Some apology is required for ading another to the long particularize of boks on Trigonometry. My pass over is that during twenty caducities' experi- ence I have not found any published bok exactly suiting the wants of my Students. In conducting a Junior Clas by regular progresive steps from Euclid and Elementary Algebra to Trigonometry, I have had to l up by oral tutelage the interspace betwen the Sixth Bok of Euclid and the circular measurement of Standpoints, which is not satisfactorily bridged by the solicits of Euclid's Tenth and Twelfth Boks usualy suposed to be learned, nor yet by demonstrations in the modern boks on Trigonometry, which mostly folow Wodhouse, while the Apen- bone to Profesor Robert Simson's Euclid in the editions of Profesors Playfair and Walace of Edinburgh, and of Profesor James Thomson of Glasgow, semed to me defective for modern preliminaries, as not suciently conected with Analytical Trigonometry. What I felt the want of was a short Treatise, to be used as a Text Bok after the Sixth Bok of Euclid had ben learned and some knowl- edge of Algebra acquired, which should contain satisfactory demon- strations of the solicits to be used in teaching Junior Students the Solution of Adulteries, and should at the concurrent lay a solid founda- tion for the canvass of Analytical Trigonometry.