Baseline Widely available
Math.SQRT2
ããããã£ã¯ã 1/2 ã®å¹³æ¹æ ¹ãç´ 0.707 ã表ãã¾ãã
function getRoot1Over2() {
return Math.SQRT1_2;
}
console.log(getRoot1Over2());
// Expected output: 0.7071067811865476
å¤ ð¼ððð.ððððð·_ð¸ = 1 2 â 0.707 \mathtt{Math.SQRT1_2} = \sqrt{\frac{1}{2}} \approx 0.707 æ¸è¾¼å¯è½ ä¸å¯ åæå¯è½ ä¸å¯ è¨å®å¯è½ ä¸å¯ 解説
Math.SQRT1_2
ã¯å®æ°ã§ããã Math.sqrt(0.5)
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SQRT1_2
㯠Math
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ãªãã¸ã§ã¯ããçæãã¦ããããã£ã¨ãã¦ä½¿ç¨ããã®ã§ã¯ãªãã常㫠Math.SQRT1_2
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以ä¸ã®é¢æ°ã¯ 1 ã 2 ã®å¹³æ¹æ ¹ã§å²ã£ãå¤ãè¿ãã¾ãã
function getRoot1_2() {
return Math.SQRT1_2;
}
getRoot1_2(); // 0.7071067811865476
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