Find sin2x, cos2x, and tan2x if sinx = -3/sqrt10 and x terminates in quadrant 3.Find sin2x, cos2x, and tan2x if sinx = -3/sqrt10 and x terminates in quadrant 3. I've been stuck on this and don't know how to go about it.Follow • 1 Add comment 3 ...
formulas formulas math formulas sin2x formula sin2x formula the trigonometric formulas like sin2x, cos 2x, tan 2x are known as double angle formulae. to understand this better, it is important to go through the practice examples provided. go through this article, and you will be able to: ...
Double Angle Identities | Overview, Formula & Examples from Chapter 23 / Lesson 5 21K Discover double angle, half angle and multiple angle identities. Learn to prove double angle and half angle formulas and how to use them. Related to this QuestionFind...
2、解答方法是：运用罗毕达求导法则。3、一次求导后成为无穷小/无穷小型不定式，继续使用罗毕达法则，问题即能解决。4、具体解答如下：
The given equation is {eq}\sin 2x (\tan x +\cot x)=2 {/eq}. Use the double-angle formula {eq}\sin 2x =2 \sin x \cos x {/eq} on the left-hand side of... Learn more about this topic: Verifying a Trigonometric Equation Identity ...
sinx=ax=−sin−1a+(2n+1)πandx=sin−1a+2nπWherenis an integer cosx=ax=±cos−1a+2nπWherenis an integer tanx=ax=tan−1a+nπWherenis an integer Answer and Explanation: Given, sin2x=32 We will apply the general solution ofsinxformula. ...
1如果y=In(sin2 x),则dy= ( ). A. 2 tan xdx; B. tan xdx; C. 2 cot xdx; D. cot xdx. 2如果,则e= ( ). A. ; B. ; C. 2ω_O=x_Bx^i; D. . 3如果y=In(sin2x),则dy= ( ). A. 2tan xdx; B. tan xdx; C. 2cot xdx; D. cot xdx. 4如果y=In(si...
int[1+tanx.tan(x+alpha)]dx is equal to 04:04 Evaluate: intsqrt(secx-1)\ dx 05:26 The value of int(dx)/(cos^3x sqrtsin2x) is equal to 09:05 Antiderivative of int sin^2x/(1+ sin^2x) w.r.t. x is 06:19 int (1)/(1-cot x) 05:41Exams...
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【题目】求下列函数的导数:(1)y=sin 2x(2)y=sec/-1;tan x(3)y=arcsin(x0);(4)y=arctan 2x;(5)y In(2x2+3x+1);(6)y=In tan(+);(7)y=x3e;(8)y=-e”-2e2;(9)y=√(x2-a2. 相关知识点: 试题来源: 解析 【解析】-|||-2cos 2xtan x-2 sin xcos x-|||-(1)y=-|...