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October 8th, 2009, 11:18 AM  #1 
Newbie Joined: Sep 2009 Posts: 13 Thanks: 0  need help asap :X so confused
If tan (theta)= 2 and the terminal ray for theta is in the first quadrant, find the values of the other five trigonometric functions at the angle theta. If tan (theta) = 1/2 and the terminal ray for theta is in the fourth quadrant, find the values of the other five trigonometric functions at the angle theta. As theta increases from 0 to pi/2, does cos (theta) increase of decrease? As theta increases from 5pi/2 to 2pi, does cos theta increase or decrease? 
October 8th, 2009, 11:56 AM  #2  
Senior Member Joined: Mar 2009 Posts: 318 Thanks: 0  Quote:
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October 8th, 2009, 09:22 PM  #3 
Newbie Joined: Sep 2009 Posts: 13 Thanks: 0  Re: need help asap :X so confused
sorry i feel like an idiot im so confused on this...my professor doesnt teach us anything..its an online math class he is horrible..

October 9th, 2009, 04:46 AM  #4  
Senior Member Joined: Mar 2007 Posts: 428 Thanks: 0  Re: need help asap :X so confused Quote:
A young black woman was on Oprah a while back. She came from an area of drugs and violence and extreme poverty. Just imagine what the classroom was like. She abhorred and ignored everything around her, and marched to her own drum, and studied. She is now in Harvard on full scholarship. Go for it. Unfortunately you can't get full attention here, just a few scraps now and then. You need to go often to a library, talk to companions taking the same course, work together, and if possible get a good private tutor.  
October 9th, 2009, 05:18 AM  #5  
Global Moderator Joined: Dec 2006 Posts: 20,941 Thanks: 2210  Quote:
Are you aware that an angle of pi/2 is a right angle?  

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