高中數學主題練習—三角函數求三角形各邊

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this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="false" alt="raw-image"></div><div></div></div><p class="graf--p"><br></p><p class="graf--p" dir="ltr"><br></p></div></body></html>

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三角函數求三角形各邊（一）

<div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F7a329444-d1d3-4ca6-8381-939b553ffeb0.png&amp;width=740&amp;sign=gGtYmRm8kIW-_cQJXaYuKmPxFqhrA74CL8x1PUk7Cac" fetchpriority="high" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F7a329444-d1d3-4ca6-8381-939b553ffeb0.png&amp;width=740&amp;sign=gGtYmRm8kIW-_cQJXaYuKmPxFqhrA74CL8x1PUk7Cac" data-loaded="true" data-original-src="https://images.vocus.cc/7a329444-d1d3-4ca6-8381-939b553ffeb0.png" data-lowquality="false" data-width="1818" data-height="1450" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="true" alt="raw-image"></div><div></div></div><p class="lexical__paragraph"><br></p><hr><h2 class="lexical__h2" dir="ltr"><b><strong class="lexical__textBold" style="white-space: pre-wrap;">解答：</strong></b></h2><div class="lexical__image center"><div class="lexical__imageWrapper"><img src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F54ffbe0e-f45f-4cb8-ba3b-b86d47c94d5e.png&amp;width=740&amp;sign=rHbmGJMN9cVkaSNUt_qmFEhDtDs_rV1bzJJ-0EHiHZs" fetchpriority="high" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F54ffbe0e-f45f-4cb8-ba3b-b86d47c94d5e.png&amp;width=740&amp;sign=rHbmGJMN9cVkaSNUt_qmFEhDtDs_rV1bzJJ-0EHiHZs" data-loaded="true" data-original-src="https://images.vocus.cc/54ffbe0e-f45f-4cb8-ba3b-b86d47c94d5e.png" data-lowquality="false" data-width="812" data-height="1202" data-retry="0" onerror="Number(this.dataset.retry) > 4 ? this.src='/static/default-error-img.svg': (() => {this.src=this.dataset.originalSrc; this.dataset.retry = Number(this.dataset.retry)+1;})()" data-istopthreeimage="true" alt="raw-image"></div><div></div></div><p class="lexical__paragraph"><br></p><p class="lexical__paragraph" dir="ltr"><div class="ad-placeholder" style="min-height: 124px;"></div><br></p>