高中數學主題練習—求三角函數週期與振幅

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               padding: 1px 0.25rem;                font-family: Menlo, Consolas, Monaco, monospace;                font-size: 94%;              }            </style></head><body><div class="article-container"><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/47d6ddaf-e26b-49ad-a333-e261517f9335.png" data-src="https://resize-image.vocus.cc/resize?compression=6&norotation=true&url=https%3A%2F%2Fimages.vocus.cc%2F47d6ddaf-e26b-49ad-a333-e261517f9335.png&width=350&sign=nTeuHL5NMEnuhFqIh5Pd1ZUDgLdb95McvXK6BaBsYio" class="lazy" data-original-src="https://images.vocus.cc/47d6ddaf-e26b-49ad-a333-e261517f9335.png" data-lowquality="false" data-width="350" data-height="597" 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;})()" alt="raw-image"></div><div></div></div><hr><h2 class="graf--h2" dir="ltr"><span style="white-space: pre-wrap;">解答：</span></h2><div class="graf--img center"><div class="lexical__imageWrapper"><img src="https://images.vocus.cc/506b9885-d6c9-4823-b946-9c80e34cba7b.png" data-src="https://resize-image.vocus.cc/resize?compression=6&norotation=true&url=https%3A%2F%2Fimages.vocus.cc%2F506b9885-d6c9-4823-b946-9c80e34cba7b.png&width=350&sign=UnQri43yYN4xI9fAMEx2D16NPSd8TNV-188q217NXos" class="lazy" data-original-src="https://images.vocus.cc/506b9885-d6c9-4823-b946-9c80e34cba7b.png" data-lowquality="false" data-width="350" data-height="439" 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;})()" alt="raw-image"></div><div></div></div><p class="graf--p" dir="ltr"><br></p></div></body></html>

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高中數學主題練習—三角函數值轉換，包含 Sin、Cos。


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求三角函數週期與振幅（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%2F47d6ddaf-e26b-49ad-a333-e261517f9335.png&amp;width=350&amp;sign=nTeuHL5NMEnuhFqIh5Pd1ZUDgLdb95McvXK6BaBsYio" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F47d6ddaf-e26b-49ad-a333-e261517f9335.png&amp;width=350&amp;sign=nTeuHL5NMEnuhFqIh5Pd1ZUDgLdb95McvXK6BaBsYio" data-loaded="true" data-original-src="https://images.vocus.cc/47d6ddaf-e26b-49ad-a333-e261517f9335.png" data-lowquality="false" data-width="350" data-height="597" 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;})()" 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%2F506b9885-d6c9-4823-b946-9c80e34cba7b.png&amp;width=350&amp;sign=UnQri43yYN4xI9fAMEx2D16NPSd8TNV-188q217NXos" data-src="https://resize-image.vocus.cc/resize?compression=6&amp;norotation=true&amp;url=https%3A%2F%2Fimages.vocus.cc%2F506b9885-d6c9-4823-b946-9c80e34cba7b.png&amp;width=350&amp;sign=UnQri43yYN4xI9fAMEx2D16NPSd8TNV-188q217NXos" data-loaded="true" data-original-src="https://images.vocus.cc/506b9885-d6c9-4823-b946-9c80e34cba7b.png" data-lowquality="false" data-width="350" data-height="439" 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;})()" alt="raw-image"></div><div></div></div><p class="lexical__paragraph" dir="ltr"><br></p>