alpha+beta=pi/2 এবং beta+gamma=alpha হলে tanalpha-এর মান হবে-
正切函数的诱导公式(1)$$ \tan ( 2 \pi + \alpha ) = \tan \alpha $$ ;(2)$$ \tan ( - \alpha ) = - \tan \alpha $$(3)$$ \tan ( 2 \pi - \alpha ) = - \tan \alpha $$(4)$$ \tan ( \pi - \alpha ) = - \tan \alpha $$;(5)$$ \tan ( \pi + \alpha...
解:(1)∵$$ \tan ( \pi + \alpha ) = - \frac { 1 } { 3 } $$,∴$$ \tan a = - \frac { 1 } { 3 } $$ ∵$$ \tan ( \alpha + \beta ) = \frac { \sin \alpha + 2 \cos \alpha } { 5 \cos \alpha - \sin \alpha } = \frac { \tan \alpha + ...
1/(secalpha-tanalpha)-1/cosalpha=1/cosalpha-1/(secalpha+tanalpha) (sinα+cosα)(tanα+cotα)=secα+cosecα View Solution Ifsecα+tanα=m,thensec4α−tan4α−2secαtanαis ___. मान ज्ञात कीजिए -∣∣ ∣∣01secαtanα−secαtanα101∣...
1、首先你的这个公式是错的。应该为：360*cos(delta)/(4*z) -180*tan(alpha)/pi-alpha 2、360*cos(delta)/(4*z)：这一部分为单个轮齿的一半对应的圆心角（分度圆）3、180*tan(alpha)/pi-alpha为渐开线的展角，教科书上一般是弧度制展角θ=tanα/-α。4、这是锥齿轮当量齿轮展开后，...
Step by step video & image solution for যদি tan alpha = x/y [ 0 lt alpha lt pi/2] হয়, তবে দেখাও যে, x cosec ""(alpha)/3 - y sec ""(alpha)/3 = 2 sqrt (x^2 + y^2) by Maths experts to help you in doubts & scoring excellen...
【解析】 答案: $$ ( 1 ) \tan \alpha ; ( 2 ) - \tan \alpha ; ( 3 ) - \tan \alpha ; ( 4 ) - \tan \alpha ; ( 5 ) \tan \alpha $$ 分析: (1)$$ \tan ( 2 \pi + \alpha ) = \tan \alpha $$ (2)$$ \tan ( - \alpha ) = - \tan \alpha , $$ (3)$$...
【解析】 $$ f ( x ) = \tan x $$的周期为$$ T = k \pi ( k \in Z ) $$,最小正周期为 π∴$$ \tan ( x + \pi ) = \tan x $$ 则$$ \tan ( \pi + \alpha ) = \tan \alpha $$,其中$$ \alpha \neq k \pi + \frac { \pi } { 2 } $$,否则表达 式无意义; 综...
If alpha=(2 pi)/(7), then tan alpha tan2 alpha+tan2 alpha tan4 alpha+tan4 alpha tan alpha View Solution [ 7.If 0ltalphaltbetalt(pi)/(2) then [ 1) (tan beta)/(tan alpha)lt(alpha)/(beta), 2) (tan beta)/(tan alpha)gt(alpha)/(beta) 3) (tan alpha)/(tan beta)lt(alp...
【解析】 答案: $$ 1 ) \tan \alpha ; ( 2 ) - \tan \alpha ; ( 3 ) - \tan \alpha ; ( 4 ) - \tan \alpha ; ( 5 ) \tan \alpha $$ 分析: (1)$$ \tan ( 2 \pi + \alpha ) = \tan \alpha , $$ (2)$$ \tan ( - \alpha ) = - \tan \alpha , $$ (3)$$...