{"product_id":"trigonometry-harry-kretz-9780945803751","title":"Trigonometry: A Practical Introduction","description":"Trigonometry: A Practical Introduction presents an approach that involves the whole being of students so they develop clarity of thought and enthusiastic involvement in challenging, meaningful activities. The author advises that, when students work outdoors or are at at their desks measuring distances and angles, the topics being discussed are better understood. Topics include tight triangle calculations; oblique triangle calculations; surveying problems; and much more, with helpful notes and suggestions.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Harry Kretz\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 0945803753\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9780945803751\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Rudolf Steiner College\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 08\/27\/2018\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 98\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Spiral\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.70lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 10.80h x 8.60w x 0.40d","brand":"Harry Kretz","offers":[{"title":"Spiral","offer_id":43983721038079,"sku":"9780945803751","price":12.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_f9dac242-376d-4aa5-8470-fce30892f0dc.jpg?v=1683268322","url":"https:\/\/www.whiterainbookhouse.com\/products\/trigonometry-harry-kretz-9780945803751","provider":"WR Book House","version":"1.0","type":"link"}