cos 3 theta

小丸子的一天 你跟她一樣嗎

1月 4, 2012

張千梅

kuso

cos 3 theta= 4cos^3-3cos theta? | Yahoo Answers 我每天的生活很有規律：上午一副沒睡醒的樣子，下午一副睡不醒的樣子，晚上一副喝了康貝特的樣子。2010/6/27 ·  ... ^3 t - cos t - 2 sin^2 t cos t = 2 cos^3 t - cos t - 2(1 - cos^2 t) cos t = 2 cos^3 t - cos t - 2 cos ......

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我今天終於明白什麼叫做..不幸中的不幸

1月 4, 2012

林若綠

kuso

trigonometry - Prove $\cos 3\theta = 4 \cos^3\theta − 3 \cos \theta$ - MatheAlmost good. You made a mistake on the second last line: the $2$ should have been distributed to both the ......

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就愛cosplay

1月 4, 2012

陳覓雪

kuso

Wolfram|Alpha: Computational Knowledge Engine 想請問您，手臂夾著甚麼呢？Your input: r = 2 cos(3 theta) Email (optional) Please enter your email address in the correct format: ......

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我也是會冷的

1月 4, 2012

郭憶香

kuso

3 - 3 Cos (theta) = 2 Sin^2 (theta)....find (theta)? | Yahoo Answers 總要找個東西披一下............2009/3/22 ·  Best Answer: 3 - 3 Cos (theta) = 2 Sin^2 (theta) I will let x represent theta to make it easier for me. 3 ......

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真是真的假的

1月 3, 2012

蔡爾容

kuso

cos( 3pi/2 + theta ) = sin theta - YouTube2013/2/6 ·  Prove cos( 3pi/2 + theta ) = sin theta Category Education License Standard YouTube License Show more Show ......

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你哭著對我說... FB照片裏都是騙人的.

1月 3, 2012

黃如筠

kuso

cos(theta) - sin(theta) = sqrt 2? | Yahoo Answers2012/4/18 ·  cos(theta) - sin(theta) = sqrt 2 (* √2 /2) (√2 /2)cos(theta) - (√2 /2)sin(theta) =1 cos(45 + theta) = ......

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