The diagram below shows an angle with an unknown measure of 0 radians and a cirele with a radius 2.3 em long centered at the angle's vertex. The terminal point is 1.91 cm to the right and 1.28 em above the circle's center. 1.91 cm 1es em a. What is the measure of the terminal point's distance above the circle's center in units of its distance to the right of the circle's center? Measurement: Preview b. What is the value of tan(@)? tan(8) · Preview c. What is the measure of the terminal point's distance to the right of the circle's center in units of its distance above the circle's center? Measurement: Preview d. What is the value of cot(0)? cot(0) = Preview e. What is the value of 0? Preview
Angles in Circles
Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.
Arcs in Circles
A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.
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