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{:[(2sin y+1)(dy)/(dx)=4" and "],[y(0)=pi//2.]:}
What is 
x when 
y=pi ?

x=

(2siny+1)dydx=4 and y(0)=π/2. \begin{array}{l} (2 \sin y+1) \frac{d y}{d x}=4 \text { and } \\ y(0)=\pi / 2 . \end{array} \newlineWhat is x x when y=π y=\pi ?\newlinex= x=

Full solution

Q. (2siny+1)dydx=4 and y(0)=π/2. \begin{array}{l} (2 \sin y+1) \frac{d y}{d x}=4 \text { and } \\ y(0)=\pi / 2 . \end{array} \newlineWhat is x x when y=π y=\pi ?\newlinex= x=
  1. Write Differential Equation: First, we have the differential equation 2\sin y + 1)\left(\frac{dy}{dx}\right) = 4\. To find \$x when y=πy=\pi, we need to separate variables and integrate.
  2. Separate and Integrate Variables: Separate the variables: \frac{dy}{\(2\)\sin y + \(1\)} = \frac{dx}{\(4\)}\.
  3. Find Constant of Integration: Now, integrate both sides: \(\int\frac{dy}{2\sin y + 1} = \int\frac{dx}{4}.
  4. Calculate Definite Integral: Integrate the left side with respect to yy and the right side with respect to xx: dy2siny+1=14x+C\int\frac{dy}{2\sin y + 1} = \frac{1}{4}x + C, where CC is the constant of integration.
  5. Solve for Constant: To find CC, use the initial condition y(0)=π2y(0) = \frac{\pi}{2}. Plug y=π2y = \frac{\pi}{2} and x=0x = 0 into the integrated equation: π2πdy2sin(π2)+1=14x+C\int_{\frac{\pi}{2}}^{\pi} \frac{dy}{2\sin(\frac{\pi}{2}) + 1} = \frac{1}{4}x + C from 00 to xx.
  6. Find Particular Solution: Since sin(π2)=1\sin(\frac{\pi}{2}) = 1, the equation becomes (dy21+1)\int(\frac{dy}{2\cdot 1 + 1}) from π2\frac{\pi}{2} to π=(14)x+C\pi = (\frac{1}{4})x + C from 00 to xx.
  7. Substitute Values and Solve: Simplify the integral: π/2πdy3=14x+C\int_{\pi/2}^{\pi} \frac{dy}{3} = \frac{1}{4}x + C from 00 to xx.
  8. Substitute Values and Solve: Simplify the integral: π2πdy3=14x+C\int_{\frac{\pi}{2}}^{\pi} \frac{dy}{3} = \frac{1}{4}x + C from 00 to xx.Integrate: 13y\frac{1}{3}y from \frac{\pi}{2}} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.
  9. Substitute Values and Solve: Simplify the integral: dy3\int \frac{dy}{3} from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Integrate: 13y\frac{1}{3}y from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Calculate the definite integral: π2\frac{\pi}{2}22.
  10. Substitute Values and Solve: Simplify the integral: dy3\int \frac{dy}{3} from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Integrate: 13y\frac{1}{3}y from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Calculate the definite integral: π2\frac{\pi}{2}22.Simplify the left side: π2\frac{\pi}{2}33.
  11. Substitute Values and Solve: Simplify the integral: dy3\int \frac{dy}{3} from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Integrate: 13y\frac{1}{3}y from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Calculate the definite integral: π2\frac{\pi}{2}22.Simplify the left side: π2\frac{\pi}{2}33.Combine like terms: π2\frac{\pi}{2}44.
  12. Substitute Values and Solve: Simplify the integral: dy3\int \frac{dy}{3} from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Integrate: 13y\frac{1}{3}y from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Calculate the definite integral: π2\frac{\pi}{2}22.Simplify the left side: π2\frac{\pi}{2}33.Combine like terms: π2\frac{\pi}{2}44.Now, plug in π2\frac{\pi}{2}55 and π2\frac{\pi}{2}66 into the equation to find π2\frac{\pi}{2}77: π2\frac{\pi}{2}88.
  13. Substitute Values and Solve: Simplify the integral: dy3\int \frac{dy}{3} from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Integrate: 13y\frac{1}{3}y from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Calculate the definite integral: π2\frac{\pi}{2}22.Simplify the left side: π2\frac{\pi}{2}33.Combine like terms: π2\frac{\pi}{2}44.Now, plug in π2\frac{\pi}{2}55 and π2\frac{\pi}{2}66 into the equation to find π2\frac{\pi}{2}77: π2\frac{\pi}{2}88.Solve for π2\frac{\pi}{2}77: π\pi00.
  14. Substitute Values and Solve: Simplify the integral: dy3\int \frac{dy}{3} from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Integrate: 13y\frac{1}{3}y from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Calculate the definite integral: π2\frac{\pi}{2}22.Simplify the left side: π2\frac{\pi}{2}33.Combine like terms: π2\frac{\pi}{2}44.Now, plug in π2\frac{\pi}{2}55 and π2\frac{\pi}{2}66 into the equation to find π2\frac{\pi}{2}77: π2\frac{\pi}{2}88.Solve for π2\frac{\pi}{2}77: π\pi00.Now we have the particular solution: π\pi11.
  15. Substitute Values and Solve: Simplify the integral: dy3\int \frac{dy}{3} from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Integrate: 13y\frac{1}{3}y from π2\frac{\pi}{2} to π\pi = 14x+C\frac{1}{4}x + C from 00 to xx.Calculate the definite integral: π2\frac{\pi}{2}22.Simplify the left side: π2\frac{\pi}{2}33.Combine like terms: π2\frac{\pi}{2}44.Now, plug in π2\frac{\pi}{2}55 and π2\frac{\pi}{2}66 into the equation to find π2\frac{\pi}{2}77.Solve for π2\frac{\pi}{2}88.Now we have the particular solution: π2\frac{\pi}{2}99.Subtract π\pi00 from both sides to solve for π\pi11.
  16. Substitute Values and Solve: Simplify the integral: dy3\int \frac{dy}{3} from π/2\pi/2 to π=14x+C\pi = \frac{1}{4}x + C from 00 to xx.Integrate: 13y\frac{1}{3}y from π/2\pi/2 to π=14x+C\pi = \frac{1}{4}x + C from 00 to xx.Calculate the definite integral: π/2\pi/200.Simplify the left side: π/2\pi/211.Combine like terms: π/2\pi/222.Now, plug in π/2\pi/233 and π/2\pi/244 into the equation to find π/2\pi/255: π/2\pi/266.Solve for π/2\pi/255: π/2\pi/288.Now we have the particular solution: π/2\pi/299.Subtract π=14x+C\pi = \frac{1}{4}x + C00 from both sides to solve for xx: π=14x+C\pi = \frac{1}{4}x + C22.Solve for xx: π/2\pi/233.