Trigonometry: Trigonometric Functions
Problem : If an arc of the unit circle has length , what is the measure of the central angle that intercepts that arc?
Problem : The coordinates of a point on the unit circle are (0, sin(s) ). What is the value of s ?
Problem : An angle in standard position intercepts the unit circle at (x, y) . The arc between (1,0) and (x, y) has length s . Solve for x and y in terms of s .
Problem : The $x$-coordinate of a point on the unit circle is . What are the possible y-coordinates?
Problem : Is the equation for the unit circle a function?