【题目】下列各组函数能够成复合函数f()的是() A、 y=f(t)=ln(10) u=if(x)=sinx-1 C、 y=f(n)=1/(u-u^2) 与 u=in(x)=sin^3x+cos^2x-1 D、 y=f(u)=arccosu与u=(r)=3+r2 相关知识点: 试题来源: 解析 【解析】 ∵sinx-10 , ∴ln(sinx-1) 没有意义, ∴A ...
If {eq}y=tanx=sinx/cosx {/eq} then find {eq}dy/dx {/eq}. Derivatives: There are some trigonometric derivative function are available in mathematics. Some general derivatives can be represented as; {eq}\begin{align*} \dfrac{d}\left( {\sin x} \right) &= \cos x\\ \dfrac{d}\...
View Solution Lety=secx+tanx−1tanx−secx+1.If(dydx)x=π4=a+√b, then value ofa+bis equal to View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium ...
=[cos(a+b)+cos(a-b)]sinacosb=[sin(a+b)+sin(a-b)]cosasinb=[sin(a+b)-sin(a-b)]还需要什么跟我说 初三二次函数辨析? 1个回答2025-02-03 23:56 二次函数,一次函数都属于幂函数的一种 幂函数:y=x^k 二次函数也就是k=1时, 一次函数是k=1时。 二次函数会比一次函数复杂一点 也是高中...
Iff(x)=∫g(x)0dt√1+t3,g(x)=∫cosx0(1+sint)2dt,then the value off'(π2)is equal to: View Solution Iff(x)=∫g(x)0dt√1+t3,g(x)=∫cosx0(1+sint)2dt,then the value off'(π2)is equal to: View Solution Free Ncert Solutions English Medium ...
12 (a) If x = a sin where a 0 and Ais acute, find in terms of x and a, an expression for sec A.[2] (b) (i) By expressin3xassin(2x+x) , show that sin 3.x may be expressed as-4sin^3x+3sinx .[4] 相关知识点: 试题来源: 解析 sinθ= ecx=1/(cosθ)=√...
y = (sec x + tan x) (sec x - tan x) If tan(x) = - 4, and x is in quadrant IV, find the exact value of the following expression without solving for x: sin(2x). Let f (x)=2 sin \ x+4cos \ x + tan \ x. Algebraically solve cos x sin^2x - 2sin x = 1/4 , ...
Given that sinx = a where x is quadrant I, what will be the exact value of sin(x + pi/6) in terms of a. Find the exact value of \cos{(x + y)} if \sin{x} = -\frac{1}{4}, \sin{y} = \frac{2}{5}, x is in quadrant\ IV, and y is in quadrant\ I. wh...
课前热身1将下列函数化为Asin(ox+φ)+b或Acos(ax+φ)+b的形式(If(x)=sinx+co8x 2) f(x)= sin 2x+ √3cos 2x )
\frac{\cos^2 \theta}{1 - \sin \theta} How does plus-minus((csc^2x-1)/(csc^2x)) equal on of these: secx, cosx, sinx, tanx, cotx, cosx, or 1? Simplify (tan(x) + sec(x - 1)) / (tan(x) - sec(x + 1))? Graph y = ...