by zhanhongyuan | Feb 18, 2025 | Questions
Home Delta Crash: Passenger Accounts of Terror and Support Answer 1 Mark Olson I’ve flown hundreds of times, and nothing prepared me for that landing. There was a sudden jerk, and the plane tilted violently. People were screaming, kids were crying. I honestly...
by zhanhongyuan | Feb 18, 2025 | Unit Circle
Home Find the values of $sin 45^circ$ and $cos 45^circ$ in the unit circle. Answer 1 Lucas Brown First, recall that in the unit circle, an angle of 45 degrees corresponds to $frac{pi}{4}$ radians. From trigonometric identities: $sin frac{pi}{4} = frac{sqrt{2}}{2}$...
by zhanhongyuan | Feb 18, 2025 | Unit Circle
Home Find the values of $sin$, $cos$, and $ an$ at $45^circ$ on the unit circle Answer 1 Daniel Carter To find the values of $sin$, $cos$, and $tan$ at $45^circ$ on the unit circle, we start by noting that $45^circ$ is the same as $frac{pi}{4}$ radians. The...
by zhanhongyuan | Feb 18, 2025 | Unit Circle
Home Find the cosine of a point on the unit circle in the complex plane Answer 1 Joseph Robinson Given a point on the unit circle in the complex plane, represented by the complex number $z = e^{itheta}$, determine the value of $cos(theta)$. Since $z = e^{itheta}$, we...
by zhanhongyuan | Feb 18, 2025 | Unit Circle
Home Find the exact values of sine, cosine, and tangent for the angle that corresponds to the point where the terminal side of angle $ heta $ intersects the unit circle at $(cos heta, sin heta)$. Given that $ heta$ is in the fourth quadrant and the poin Answer 1...
by zhanhongyuan | Feb 18, 2025 | Unit Circle
Home Find the $sin$, $cos$, and $ an$ of $45^circ$ on the unit circle. Answer 1 Daniel Carter We know that at $45^circ$, the coordinates on the unit circle are $left(frac{sqrt{2}}{2}, frac{sqrt{2}}{2}right)$.Therefore,$sin 45^circ = frac{sqrt{2}}{2}$$cos 45^circ =...
by zhanhongyuan | Feb 18, 2025 | Unit Circle
Home Find the sine and cosine of the angle $ heta$ when it equals $pi/4$ on the unit circle. Answer 1 William King To find the sine and cosine of the angle $theta = frac{pi}{4}$ on the unit circle, we use the coordinates of the point where the terminal side of the...
by zhanhongyuan | Feb 18, 2025 | Questions
Home Toronto Delta Plane Crash: Latest Developments and Investigation into Key Causes? Answer 1 Christine Dubois Following the Delta plane incident at Toronto Pearson International Airport, investigations are underway to determine the root cause. CBC News reports that...
by zhanhongyuan | Feb 18, 2025 | Unit Circle
Home Find the Cartesian coordinates of a point on the unit circle when given an angle $ heta$ and a trigonometric function value. Answer 1 Christopher Garcia Given the angle $theta = frac{7pi}{6}$ on the unit circle, find the Cartesian coordinates $ (x, y) $ for the...
by zhanhongyuan | Feb 18, 2025 | Unit Circle
Home Find the sine, cosine, and tangent of a point on the unit circle Answer 1 Amelia Mitchell For the point on the unit circle corresponding to the angle $theta = frac{pi}{4}$, find the sine, cosine, and tangent.Step 1: Recognize that on the unit circle, the radius...