Which of the following angles could be a solution to cos(x)=sqrt(3)/2
a. Only pi/6 and 11pi/6
b. 11pi/6
c. -11pi, -pi/6, and pi/6
d.-pi/6
e. pi/6
Which of the following angles could be a solution to cos(x)=sqrt(3)/2
Results for this submission Entered Answer Preview Result (3/2)+(6/pi)*cos(x) e + cos(2) correct (3/2)+(6/pi)*cos(x)-(2/pi)*cos(3*x) 3 6 st-ce 2 s(3x) correct (3/2)+(6/pi)*cos(x)-(2/pi)*cos(3*x)+(6/5)*pi*cos(5*x) it coule) = _ cou(30) + * cos(52) incorrect A correct f(x) f(x) correct At least one of the answers above is NOT correct. 1 (1 point) (a) Suppose you're given the following Fourier coefficients for a function on the interval (-1,7): a 3 6 6 6 = , ai = –, az = -2,25 = = and 22,...
Find the general solution of following equation x' = [ -3 sqrt(2) sqrt(2) -2 ] *x It's a matrix problem, so x' = [ ] x Hopefully that makes sense, thanks in advance
Use your unit circle to fill in the tables below: 5/6 2/3 cos(8) COS(-6) 1/4 sqrt2y2 sor/22 11 ! Based on the table above, which of the following statements about the cosine function could be true? (Select all that apply.) A. The equation cos() = cos(- 6) is true for all angles 8. B. The equation cos(0) = -cos(-6) is true for all anglese C. Cosine is an odd function D. Cosine is an even function E. None of the...
Given that \(\cos x=\frac{1}{3}, x \in\left[-\frac{\pi}{2}, 0\right]\) find \(\sin x\) and \(\tan x\)\(\sin x=\frac{2}{3}\) and \(\tan x=2\)\(\sin x=\frac{\sqrt{8}}{3}\) and \(\tan x=\sqrt{8}\)\(\sin x=-\frac{\sqrt{8}}{3}\) and \(\tan x=\sqrt{8}\)\(\sin x=-\frac{\sqrt{8}}{3}\) and \(\tan x=-\sqrt{8}\)
1.state the shaded area f(x)=cos(x)+5 g(x)=cos(x)+3 #2. state the shaded area f(x)=sqrt x-4 +3 g(x)=-x+7 Show work as needed. Circle answer. 1. State the shaded area. f(x) = cos(x) + 5 g(x) = cos(x) + 3 2. State the shaded area 1x) = *-4+3 9(4)=-x.7
Find \(\mathrm{dy} / \mathrm{dt}\).12) \(y=\cos ^{5}(\pi t-8)\)A) \(-5 \pi \cos ^{4}(\pi t-8) \sin (\pi t-8)\)B) \(-5 \cos ^{4}(\pi \mathrm{t}-8) \sin (\pi \mathrm{t}-8)\)C) \(5 \cos ^{4}(\pi t-8)\)D) \(-5 \pi \sin ^{4}(\pi t-8)\)Use implicit differentiation to find dy/dx.13) \(x y+x=2\)A) \(-\frac{1+y}{x}\)B) \(\frac{1+y}{x}\)C) \(\frac{1+x}{y}\)D) \(-\frac{1+x}{y}\)Find the derivative of \(y\) with respect to \(x, t\), or \(\theta\), as appropriate.14) \(y=\ln 8 x^{2}\)A) \(\frac{2}{x}\)B) \(\frac{1}{2 x+8}\)C) \(\frac{2 x}{x^{2}+8}\)D) \(\frac{16}{x}\)Find the derivative of \(\mathrm{y}\) with respect to \(\mathrm{x}, \mathrm{t}\), or \(\theta\), as appropriate.15) \(y=\left(x^{2}-2 x+6\right) e^{x}\)A)...
CONVERT THE FOLLOWING MATLAB CODE FROM SOURCE PANEL METHOD TO VORTEX PANEL METHOD: clc;clear all;close all; Vinf=100; % freestream velocity R=1; % cylinder radius n=4; % number of panels alpha=2; % angle of attack dtheta=2*pi/n; theta=pi+pi/n:-dtheta:-pi+pi/n; X=R*cos(theta); Y=R*sin(theta); for i=1:n % angle of flow with tangent of panel phi(i)=-alpha+atan2((Y(i+1)-Y(i)),(X(i+1)-X(i))); % angle of flow with normal of panel beta(i)=phi(i)+pi/2; x_mid(i)=(X(i+1)+X(i))/2; y_mid(i)=(Y(i+1)+Y(i))/2; S(i)=sqrt((Y(i+1)-Y(i))^2+(X(i+1)-X(i))^2); end % Source Panel Method for j=1:n neighbors(:,j)=[1:j-1 j+1:n]; xi=x_mid(j); yi=y_mid(j); for i=1:n-1 m=neighbors(i,j); Xj=X(m); Yj=Y(m); Xj1=X(m+1); Yj1=Y(m+1); A=-(xi-Xj)*cos(phi(m))-(yi-Yj)*sin(phi(m));...
Which one is the solution to this equation (1 + y2 sin 2x)dx – 2y(cos x){dy = 0 denkleminin çözümü aşağıdakilerden hangisidir? 19- x + √y²+1=c O A) xy - Inx=0 B) x-y(cos x)2 = C xye-y - 2 = 0 D) ce-x = y E
4- Plot the following signals a. x (t) = cos 2 (3 π t) b. x (t) = cos 2 (3 π t + π/ 2) c. x [ n] = (− 1) n d. x [ n] = j n (N o t e j = √ − 1) e. x [ n] = e − a | n | (a > 0)
C. Execute the following statements in MATLAB: 1. A=3*5 2. A=2^10 3. A-abs(3 + i*4) 4.x=pi/2; A = 10*sin(x) 5.x=pi/4; A = 5*cos(x) 6. A=2*exp(4) 7. A=2*exp(i 2) 8. A-20*sin(pi/4)*exp(-2) C. Execute the following statements in MATLAB: 1. A=3*5 2. A=2^10 3. A-abs(3 + i*4) 4.x=pi/2; A = 10*sin(x) 5.x=pi/4; A = 5*cos(x) 6. A=2*exp(4) 7. A=2*exp(i 2) 8. A-20*sin(pi/4)*exp(-2)