Show that 1/(sin 10^(@)) - (sqrt(3))/(cos 10^(@)) = 4. 03:15 Solve sinx+sqrt(3)cosx=sqrt(2) 03:10 Prove that tan^(-1)((1)/(2))+tan^(-1)((1)/(5))+tan^(-1)((1)/(8))=(pi)/... 03:34 Prove that cotA+cotB+cotC=(a^2+b^2+c^2)/(4Delta) 06:25Exam...
Write the value of lim(x->0^-)(sinx)/(sqrt(x)) 01:06 Write the value of lim(x->-oo)(3x+sqrt(9x^2-x)) 02:20 Write the value of (lim)(x->pi//2)(2x-pi)/(cos x) 00:45 lim(n->oo)(1^2+2^2+3^2++n^2)/(n^3) is equal to a. 1 b . c. 1/3 d. 0 01:...
Simplify the trigonometric expression \dfrac{cos(x)}{1 + sin(x)} + tan(x) by writing the simplified form in terms of cos(x). Given that sin^2x = \frac{4}{13}, what is the cos^2x? Consider the following equation: y= log_5 ( sin^2x). Find y' and simplify. ...
(sin(x^2))' = 2x*cos(x^2) 接下来,我们可以使用泰勒公式来近似计算 sinx^2 在某个点 x0 处 的函数值。泰勒公式的一般形式如下: f(x) = f(x0) + f'(x0)(x - x0) + f''(x0)(x - x0)^2/2! + f'''(x0)(x x0)^3/3! + ... 其中,f(x)表示要计算的函数,f(x0)表示...
What is the y-value of cos(x) when x = -360 ? What is the value of cos(x) at x = 0? Let sin(x) = \dfrac{3}{7}, where x is in quadrant II. What is the value of cos(x). For what x-value(s) does sin(x) = 0? For what x-va...
在 反三角函数中,有一个重要的恒等式:arcsinx+arccosx=π2,其中x∈[-1,1].本文例举这一恒等式的应用.1 求值例1 (1996 年全国高考题)若0απ2,则arcsin[cos(π2+α)]+a... 曾安雄 - 《数学通讯》 被引量: 0发表: 2000年 反三角函数的运算 反三角函数的运算,是中学数学运算的难点之一,关键在于...
F=(6xyz+2sinx,3x2z,3x2y) F=▽f Vector Field: In this problem, we'll use the gradient theorem: F=∇f=∂f∂xi+∂f∂yj+∂f∂zk Next, we'll integrate interms ofx,y,zto get the desired solution. Answer and Explanation:1 ...
(-1,i)*t; i++; //printf("%.5lf\n",temp); } return temp; } int main() { double r,temp; printf("请输⼊弧度值,180°对应3.1415926弧度,以此类推...\n"); printf("弧度(rad):"); scanf("%lf",&r); temp=fcos(r); printf("%.5lf\n",temp); printf("%.51f\n",cos(r)...
(a) Find the maximum and minimum values of f on the given interval f(x) =sinxcosx+cos2x(0,2π) (b) Find the derivative of the following function: y=1In(cos(sinh(e2x)))Minima & Maxima:With use of one of the two methods to find the maxima ...
In conclusion, the integral of sin(x) e^cos(x) is equal to the integral of cos(x) e^cos(x). 中文回答: 要计算sin(x)乘以e的cos(x)次方的积分,我们可以使用分部积分法。假设u = sin(x),dv = e^cos(x) dx。我们可以分别求出du和v,分别对应微分和积分。 du = cos(x) dx. v = ∫e...