f(x)=√3sin(x+fai)-cos(x+fai)
=2(√3/2sin(x+fai)-1/2cos(x+fai))
=2(cosπ/6sin(x+fai)-sinπ/6cos(x+fai))
=2sin(x+fai-π/6)
f(x)為奇函數(shù)
則f(-x)=2sin(-x+fai-π/6)
=-2sin(x-fai+π/6)
=-f(x)
=-2sin(x+fai-π/6)
x-fai+π/6=x+fai-π/6+2kπ
fai=π/6-2kπ
0
若函數(shù)f(x)=根號(hào)3sin(x+fai)-cos(x+fai)(0
若函數(shù)f(x)=根號(hào)3sin(x+fai)-cos(x+fai)(0
其他人氣:589 ℃時(shí)間:2019-10-31 23:03:46
優(yōu)質(zhì)解答
我來(lái)回答
類似推薦
- 設(shè)函數(shù)f(x)=cos(根號(hào)3x+FAI)(0,<FAI<π)若f(x)+f‘(x)是奇函數(shù) 則FAI=
- 已知函數(shù)f(x)=根號(hào)3sin(wx+fai)-cos(wx+fai)(0
- 已知函數(shù)f(x)=根號(hào)3sin(2x+fai)-cos(2x+fai)(0
- 已知函數(shù)f[x]=根號(hào)3倍[wx+fai]-cos[wx+fai] [0〈fai〈派,w〉0]為偶函數(shù)
- 已知函數(shù)f(x)=2根號(hào)3sin(x/2+派/4)cos(x/2+派/4)-sin(x+派).求f(x)的最小正周期
- 定語(yǔ)從句引導(dǎo)詞what和that的區(qū)別,麻煩詳細(xì)一點(diǎn)
- 在兩位數(shù)中,個(gè)位數(shù)字與十位數(shù)字奇偶性不同的數(shù)共有_個(gè).
- 不等式
- 石壕吏杜甫遭遇
- 已知函數(shù)f(x)=2sin(ωx+φ),x∈R,其中ω>0,-π
- 1.夏季,為了節(jié)約用電,常對(duì)空調(diào)采取調(diào)高設(shè)定溫度和清洗設(shè)備兩種措施,某賓館先把甲乙兩種空調(diào)的設(shè)定溫度都調(diào)高1℃,結(jié)果甲種空調(diào)比乙種空調(diào)每天多節(jié)電27度,在對(duì)乙種空調(diào)清洗設(shè)備,使得乙種空調(diào)每天的總節(jié)電量只將溫度調(diào)高1℃后的節(jié)電量的1.1倍,而
- 如何已知導(dǎo)數(shù)求原函數(shù)
猜你喜歡
- 1先確定下列拋物線的開口方向 對(duì)稱軸及頂點(diǎn)再描點(diǎn)畫圖(在線等!)
- 2化合價(jià)規(guī)律
- 3I like black and yellow.劃線句提問(wèn)(劃線部分為black and yellow )
- 43,10,16最小公倍數(shù)
- 5That team _____(not finish) walking the trail within 48 hours last time .
- 6就簡(jiǎn)單的說(shuō)說(shuō)a 和an的用法,但是一定要完整.
- 7初次分配和再分配的區(qū)分
- 8甲,乙,丙三人都愛好集郵,已知甲收集了240張郵票,乙收集的比甲多25%,
- 9在一個(gè)除法算式里,被除數(shù)是除數(shù)的24倍多7,又是商的31倍多7 ,求被除數(shù),除數(shù),商,余數(shù)?
- 10填空My P .E.teacher is very ( )with us.So i am very ( )after class.
- 11美麗初三,揚(yáng)帆起航作文
- 12千鳥飛絕,萬(wàn)徑人蹤滅是寫哪個(gè)季節(jié)