蟒蛇惡作劇,某些男生表現不行啊...
How to memorize values of sin, cos, tan, cosec, sec and cot for 0, 30, 45, 60 and 90 degrees? - YouT用假蛇來嚇唬別人的惡作劇不少,最近有個哥們更是用了假蟒蛇 有時候突然拋到對方面前 有時候掛在對方的包包上 這個時候,男生和男生的表現,差距就有點大了... 點擊觀看 這種惡搞,大家就不要模仿了! 授權來源:大叔愛吐槽 O, 30, 45, 60 and 90 degrees are angles which are used very often in problems. This video teaches how can you memorize values of all six trigonometric ratios for these angles....
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