高中數學主題練習—推測其他三角函數

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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></div></body></html>

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學習

推測其他三角函數（二）

高中數學主題練習—空間中三角形重心座標

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推測其他三角函數（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%2Ffb50f7a4-35bc-457f-b7af-61503ca61206.png&amp;width=516&amp;sign=MUzdCnHgD5b_wOD9uHtA-L6TKr2GT51J7y9nask9LDk" fetchpriority="high" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2Ffb50f7a4-35bc-457f-b7af-61503ca61206.png&amp;width=516&amp;sign=MUzdCnHgD5b_wOD9uHtA-L6TKr2GT51J7y9nask9LDk" data-loaded="true" data-original-src="https://images.vocus.cc/fb50f7a4-35bc-457f-b7af-61503ca61206.png" data-lowquality="false" data-width="516" data-height="915" 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><hr><h2 class="lexical__h2" dir="ltr"><span style="white-space: pre-wrap;">解答：</span></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%2F3b450cab-64ee-49cf-ac23-70f1dcd1e647.png&amp;width=433&amp;sign=TcXl5i8leJSJJpIr3a5_z7EWP--eV0aiuE2Egdt9W48" fetchpriority="high" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F3b450cab-64ee-49cf-ac23-70f1dcd1e647.png&amp;width=433&amp;sign=TcXl5i8leJSJJpIr3a5_z7EWP--eV0aiuE2Egdt9W48" data-loaded="true" data-original-src="https://images.vocus.cc/3b450cab-64ee-49cf-ac23-70f1dcd1e647.png" data-lowquality="false" data-width="433" data-height="784" 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>