Suppose that the terminal point determined by t is the point ( -12/13, 5/13) on the unit circle. Find the terminal point by pi + t
Find the reference number `t, if t= (4pi / 3)
Find the value of the following trigonometric function if sec (t) = 3 is in quadrant IV
thnx in advance for your help
2007-04-04 18:03:17 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
(a) Draw a circle with the center on the origin. Graph the point (-12/13, 5, 13) on the circle. You will see it is in the 2nd quadrant.
Adding pi to that point means adding half a circle. You will end up in the 4th quadrant. The coordinates of that point would be (12/13, -5/13).
2007-04-04 18:24:54 · answer #1 · answered by dharmabum2 2 · 0⤊ 0⤋
a unit circle is a circle with a unit radius, i.e., a circle whose radius is a million. many times, quite in trigonometry, "the" unit circle is the circle of radius a million based on the inspiration (0, 0) interior the Cartesian coordinate gadget interior the Euclidean plane
2016-10-21 01:56:14 · answer #2 · answered by fanelle 4 · 0⤊ 0⤋
(12/13, - 5/13)
(- 1/2, - (1/2)√3)
If sec(t) = 3
t = 5.0522 rad. = 289.47°
2007-04-04 18:34:03 · answer #3 · answered by Helmut 7 · 0⤊ 0⤋