sin 90 cos 90 tan 90

拍什麼拍？ ！就不能讓人家好好上廁所咩~

7月 10, 2012

謝語竹

kuso

三角比14 sin(90+θ) cos(90+θ) tan(90+θ) - YouTube 拍什麼拍？ ！就不能讓人家好好上廁所咩~90 －θの三角比の公式と考え方【高校数学Ⅰ】 - Duration: 5:18. 逆転の数学～中学高校数学の問題をスッキリ攻略～ 13,704 views...

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早上叫醒我的不是鬧鐘，是夢想！！！

7月 9, 2012

郭靖萍

kuso

中二教學示範: 記住sin cos tan公式的特別方法(一) by Wilson Lam - YouTube 嗯...想必是吃魚肉大餐的夢想吧XD課程查詢熱線: 6126 9744 / 6850 5797 小組 / 私人補習 歡迎中一至中六學生...

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週一症候群

7月 9, 2012

謝盼柳

kuso

Sin, Cos and Tan - Maths GCSE Revision 你中了幾個呢？？Sin, Cos and Tan, mathematics GCSE revision resources including: explanations, examples and videos. ... This section looks at Sin, Cos and Tan within the field of trigonometry. A right-angled triangle is a triangle in which one of the angles is a right-an...

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【為什麼】小妹妹為什麼這麼不開心呢？

7月 9, 2012

陳巧芹

kuso

Derivatives of sin x, cos x, tan x, e^x and ln x | Derivatives of common functions | Khan Academy 妳搭上的可是快樂火車啊~開心點嘛~Lets say I have an equation sin x = 1/2. Then clearly, x = 30 degrees or pi/6 radians. Now if I differentiate both sides of the equation with respect to x (because both are equal, their derivatives should also be equal), I will have cos x = 0, right? But ...

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【kuso圖片】自然生態教學之花生的繁衍

7月 9, 2012

謝語蘭

kuso

geometry - Evaluate the $\sin$, $\cos$ and $\tan$ without using calculator? - Mathematic 呃...她應該還活著吧...？Evaluate the $\sin$, $\cos$ and $\tan$ without using calculator? $150$ degree the right answer are $\frac{1}{2}$, $-\frac{\sqrt{3}}{2}$and $-\frac{1}{\sqrt{3}} $ $-315$ degree the ... ... It is very simple. $\sin(150) =...

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【kuso圖片】防止學生作弊的新發明

7月 9, 2012

連冷文

kuso

How to Find the Sin, Cos and Tan of an Angle | eHow 這...也太陽春了吧...Sine, cosine and tangent, often shortened to sin, cos, and tan in mathematical operations and on calculator keys, are the most basic trigonometric functions. All three are based on the properties of a triangle with a 90-degree angle, also known as a right...

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