{"product_id":"2940016398068","title":"PLANE AND SPHERICAL TRIGONOMETRY","description":"The explanatory portions of this book are very full and clear, and the exercises are in all cases well selected and numerous. \u003cbr\u003e\u003cbr\u003eThe explanations in that portion of the book devoted to Spherical Trigonometry are much facilitated by the many excellent diagrams. It would, we think, be hard to over estimate the value of these illustrations to students beginning the subject, whose difficulties generally arise from the want of accurate ideas on the fundamental conceptions involved.","brand":"OGB","offers":[{"title":"Default Title","offer_id":47172523753712,"sku":"2940016398068","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940016398068_p0.jpg?v=1763635243","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940016398068","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}