作为程序员,没有合适的工具,就得手搓一个,PC端,移动端均可适用。废话不多说,直接上代码。
HTML:
<div class="calculator"><label for="angle">输入角度 (度):</label> <input id="angle" step="0.01" type="number" placeholder="角度"><button onclick="calculateUnitCircle()">计算坐标</button><div id="result" class="result">结果将显示在这里</div></div>
JS:
function calculateUnitCircle() {
const angle = parseFloat(document.getElementById('angle').value);
if (isNaN(angle)) {
document.getElementById('result').textContent = "请输入有效的角度。";
return;
}
// 将角度转换为弧度
const angleInRadians = angle * (Math.PI / 180);
// 计算单位圆上的坐标点
const x = Math.cos(angleInRadians);
const y = Math.sin(angleInRadians);
// 计算正弦和余弦值
const sine = Math.sin(angleInRadians);
const cosine = Math.cos(angleInRadians);
document.getElementById('result').innerHTML =
`单位圆坐标 (x, y):(${x.toFixed(2)}, ${y.toFixed(2)})<br>` +
`正弦值:${sine.toFixed(2)}<br>` +
`余弦值:${cosine.toFixed(2)}`;
}
CSS:
.calculator {
width: 100%;
background-color: #333;
color: white;
padding: 20px;
border-radius: 10px;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}
label {
display: block;
margin-bottom: 10px;
font-size: 16px;
}
input, select {
width: 100%!important;
padding: 10px!important;
margin-bottom: 20px;
color: #000000;
border-radius: 5px;
border: 1px solid #555;
font-size: 16px!important;
background-color: #ffffff!important;
}
button {
width: 100%;
padding: 10px;
background-color: #007bff;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 16px;
display: block;
margin: 0px;
margin-bottom: 20px;
margin-left: 0px!important;
}
button:hover {
background-color: orange;
}
.result {
margin-top: 20px;
text-align: center;
}
option {
background-color: #ffffff;
}
p {
font-size: 18px;
margin-top: 5px!important;
}