trigonometry - Write $\cos (5x)$ as a function of $\cos (x)$, …
2020年9月21日 · Write $\cos (5x)$ as a function of $\cos (x)$, answer with a polynomial. $$e^ {i\cdot5x} = \cos (5x) + i\sin (5x)$$ $$\cos (5x) + i\sin (5x) = (\cos (x) + i\sin (x))^5$$ and using …
cos(5x) - Wolfram|Alpha
Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, …
cosx的5次方dx 的不定积分怎么求? - 百度知道
∫cos x^5dx=∫cos x^4dsin x =∫（1-sin² x ）²dsinx =∫（1-2sin² x+sin x^4）dsin x =sin x -2/3sin x^3 +1/5 sin x^5 + c. 证明： 如果f(x)在区间I上有原函数，即有一个函数F(x)使对任意x∈I，都 …
Find Amplitude, Period, and Phase Shift y=cos(5x) | Mathway
Use the form acos(bx−c)+ d a cos (b x - c) + d to find the variables used to find the amplitude, period, phase shift, and vertical shift. Find the amplitude |a| | a |. Find the period of cos(5x) cos …
为什么将cos(5x)化简成cosx， cosnx？ - 百度知道
2023年12月4日 · 为什么将cos(5x)化简成cosx， cosnx？利用积化和差公式化简成三角函数和的形式，是为了避免用到(uv)'=u'v+uv'，只需两次用到cosx的n阶导数公式，大大简化求导的过程 …
求解 cos(5x) | Microsoft Math Solver
使用包含逐步求解过程的免费数学求解器解算你的数学题。我们的数学求解器支持基础数学、算术、几何、三角函数和微积分 ...
cos 5x - Symbolab
\int e^x\cos (x)dx \int_{0}^{\pi}\sin(x)dx \sum_{n=0}^{\infty}\frac{3}{2^n} Show More
Solve for x cos(5x)=0 | Mathway
Take the inverse cosine of both sides of the equation to extract x x from inside the cosine. 5x = arccos(0) 5 x = arccos (0) Simplify the right side. Tap for more steps... Divide each term in 5x …
Solve cos (5x) | Microsoft Math Solver
5x + sinx + C Explanation: Split into two integrals; \displaystyle\int_ {_} {5} {\left. {d} {x}\right.} + \displaystyle\int_ {_} {\cos { {\left ( {x}\right)}}} {\left. {d} {x}\right.} Solve seperately; ... It is the …
Simplify cos(5x) - Mathway
Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.