Author(s): Paul Abbott & Neill Hugh

Science

Whether you're new to trigonometry or just need to refresh your knowledge, Understand Trigonometry is the ideal handbook. Offering a complete introduction, with fully worked examples and carefully paced exercises at every level, progress steadily from the basics to more advanced skills and gain new confidence in your abilities. NOT GOT MUCH TIME? One, five and ten-minute introductions to key principles to get you started. AUTHOR INSIGHTS Lots of instant help with common problems and quick tips for success, based on the author's many years of experience. TEST YOURSELF Tests in the book and online to keep track of your progress. EXTEND YOUR KNOWLEDGE Extra online articles at www.teachyourself.com to give you a richer understanding of psychology. FIVE THINGS TO REMEMBER Quick refreshers to help you remember the key facts. TRY THIS Innovative exercises illustrate what you've learnt and how to use it.