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(ÇÔ¼ö) max(°¡ÀåÅ« ¼ö),min(°¡Àå ÀÛÀº¼ö),sin,cos,tan,asin,acos,atan
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<?

$num = max(1,2,3,4,5,6,7);  //°ýÈ£¾ÈÀÇ °ªÁß °¡Àå Å« ¼ö¸¦ Ãâ·Â(7)
echo $num;

echo "<br>";

$array = array(3,4,5,6,7,8);
echo max($array);  //¹è¿­ÀÇ ¸ñ·ÏÁß °¡Àå Å« °ªÀ» Ãâ·Â(8)

echo "<br>";

echo min(1,2,3,4,5);  //°ýÈ£¾ÈÀÇ °ªÁß °¡Àå ÀÛÀº ¼ö¸¦ Ãâ·Â(1)

echo "<br>";

echo min($array); //¹è¿­ÀÇ ¸ñ·ÏÁß °¡Àå ÀÛÀº °ªÀ» Ãâ·Â(3)

echo "<br>";

$num1 = sin(90);  //sin(radian)  radian(¶óµð¾È):È£µµ¹ý¿¡ ÀÇÇÑ °¢µµÀÇ ´ÜÀ§ (»ï°¢ÇÔ¼ö)
echo "sin 90 µµÀÇ °ªÀº ".$num1."<br>";

$num2 = cos(60); //cos(radian)
echo "cos 60 µµÀÇ °ªÀº ".$num2."<br>";

$num3 = tan(0); //tan(radian)
echo "tan 0 µµÀÇ °ªÀº ".$num3."<br>";

?>


»ï°¢ÇÔ¼öÀÇ ¿ªÇÔ¼ö ±¸Çϱâ
PHP ¿¡¼­ »ï°¢ÇÔ¼öÀÇ sin,cos,tan ÀÇ °ªÀ» ±¸ÇÒ ¼ö ÀÖ´Ù¸é, ¿ªÇÔ¼öÀÎ asin,acos,atan ÀÇ °ªµµ ±¸ÇÒ ¼ö ÀÖ´Ù.
$num1 = asin(90);
echo "asin 90 µµÀÇ °ªÀº ".$num1."<br>";

$num2 = acos(60);
echo "acos 60 µµÀÇ °ªÀº ".$num2."<br>";

$num3 = atan(0);
echo "atan 0 µµÀÇ °ªÀº $num3 <br>";
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