Brain Station Advanced on MSN
Master trigonometry fast – simple tricks anyone can use
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THE Practical Geometry by Messrs. Le Neve Foster and Dobbs consists of a collection of more than seven hundred examples, grouped in sets, each set illustrating some fundamental geometrical principle, ...
Brain Station Advanced on MSN
Challenging problem without trigonometry: Can you solve it?
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(1) THIS book is a collection of 3500 examples in ele-JL mentary algebra up to quadratic equations. It will prove useful to those teachers who dictate the book-work instead of leaving their pupils to ...
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