A. cos(x) B. -cos(x) C. sin(x) D. -sin(x) 相关知识点: 试题来源: 解析 A。sin(x)的导数是 cos(x)。选项 B“-cos(x)”错误,sin(x)的导数不是-cos(x)。选项 C“sin(x)”错误,不是它本身。选项 D“-sin(x)”错误,不是-sin(x)。反馈 收藏 ...
We also know that as h approaches 0, the value of cos h approaches 1. Hence, putting the two pieces of information together, we find that as h becomes smaller and smaller, the value of ((sin h) / h) itself is squeezed to 1 by its lower and upper limits. This is, indeed, ...
We have to find the derivative of {eq}\cos x {/eq} using the limit concept. So we have the formula: {eq}\displaystyle \lim _{h\to...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can ans...
and they satisfy: limx→af(x)g(x)=1. Here are equivalent infinitesimals: x∼sinxx∼tanxx∼ln(x+1)x∼ex−1x22∼1−cosx Answer and Explanation: We can compute the derivative ofcosxusing the ...
( (sin)(3t)+(cos)(3t)) 相关知识点: 试题来源: 解析 Find the first derivative. ( f()' (t)=3(cos)(3t)-3(sin)(3t)) Find the second derivative. ( f(()' ()' )(t)=-9(sin)(3t)-9(cos)(3t)) Find the third derivative. ( f(()' ()' ()' )(t)=-27(cos)(3t)...
Derivative f’ of the function f(x)=sinx is: f’(x) = cos x for any value of x. Derivative of sin x Derivative $f’$ of the function $f(x)=\sin x$ is: \(\forall x \in ]-\infty, +\infty[ , f'(x) = \cos x\) ...
解析 -20xcos (x^2-4)sin [sin (x^2-4)] Using the chain rule, let u=sin (x^2-4). \dfrac {\d y}{\d x}=10(-\sin[\sin (x^{2}-4)])[\cos (x^{2}-4)](2x)=-20x\cos (x^{2}-4)\sin [\sin (x^{2}-4)]反馈 收藏 ...
View Solution Find the derivative of cos (x + y) = y with respect to x . View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium NCERT Solutions for Class 10 English Medium ...
Find the derivative ofsin(x+a)cosx View Solution Find the derivative of the function cosxsinx+cosx View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths ...
4. Common derivative: ddx(cos(x))=−sin(x).5. Common derivative: ddx(sin(x))=cos(x).Answer and Explanation: We have to find the differentiation of $$\begin{align*} \displaystyle \frac{d}{dx}\left(x\cos \left(x\right)+\sin......