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Teach Yourself Trigonometry has been substantially revised and
rewritten to take account of modern needs and recent developments in the subject.
It is anticipated that every reader will have access to a scientific
calculator which has sines, cosines and tangents, and their
inverses. It is also important that the calculator has a memory,
so that intermediate results can be stored accurately. No support has been given about how to use the calculator, except in
the most general terms. Calculators vary considerably in the
keystrokes which they use, and what is appropriate for one calculator may be inappropriate for another.
There are many worked examples in the book, with complete,
detailed answers to all the questions. At the end of each worked
example, you will find the symbol I to indicate that the example has been completed, and what follows is text.
Some of the exercises from the original Teach Yourself
Trigonometry have been used in this revised text, but all the
answers have been reworked to take account of the greater
accuracy available with calculators.
I would like to thank Linda Moore for her help in reading and
correcting the text. But the responsibility for errors is mine. |
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