S swimmer3 New member Joined Aug 30, 2009 Messages 14 Sep 22, 2009 #1 If t is the central angle from (1,0) to (2/radical13, -3/radical13) along the circumference of the unit circle, find sin t, cos t, and tan t. I don't understand how to do this problem?
If t is the central angle from (1,0) to (2/radical13, -3/radical13) along the circumference of the unit circle, find sin t, cos t, and tan t. I don't understand how to do this problem?
D Deleted member 4993 Guest Sep 22, 2009 #2 Re: trig swimmer3 said: If t is the central angle from (1,0) to (2/radical13, -3/radical13) along the circumference of the unit circle, find sin t, cos t, and tan t. I don't understand how to do this problem? Click to expand... Sketch an approximate picture. Find the distance betwwen (1,0) and (2/radical13, -3/radical13) - then use definitions of sine, cosine and tan.
Re: trig swimmer3 said: If t is the central angle from (1,0) to (2/radical13, -3/radical13) along the circumference of the unit circle, find sin t, cos t, and tan t. I don't understand how to do this problem? Click to expand... Sketch an approximate picture. Find the distance betwwen (1,0) and (2/radical13, -3/radical13) - then use definitions of sine, cosine and tan.
