Assume that a is an angle in standard position...

hlynn

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Feb 21, 2013
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I need to find the exact values of sin a, cos a, tan a, csc a, sec a, and cot a.

The points I am given are the problem because they include a radical. ((-4√(3)),4). I have done these problems before and have not had too much difficulty, especially after I get sin a and cos a but I literally have no idea where to start with this because of the radical. I am sorry I cannot show any work at this point. I have not seen a problem like this before. I emailed my teacher but haven't hear back yet.

Do I start by solving the radical? :confused:

This is what I think I figured out. If I solve it like I would the other problems we've been doing, I divide the 4 by the radical so I would get 4/-4√(3). Then, I find tan a of the answer? That would be -√(3). So I would figure out tan √(3)?

Thanks!
 
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I need to find the exact values of sin a, cos a, tan a, csc a, sec a, and cot a.

The points I am given are the problem because they include a radical. ((-4√(3)),4). I have done these problems before and have not had too much difficulty, especially after I get sin a and cos a but I literally have no idea where to start with this because of the radical. I am sorry I cannot show any work at this point. I have not seen a problem like this before. I emailed my teacher but haven't hear back yet.

Do I start by solving the radical? :confused:

This is what I think I figured out. If I solve it like I would the other problems we've been doing, I divide the 4 by the radical so I would get 4/-4√(3). Then, I find tan a of the answer? That would be -√(3). So I would figure out tan √(3)?

Thanks!

tan(A) = 4/(-4√3) = - 1/√3

Now think about the unit circle and continue......
 
Would it therefore be it be sin a = √3/2, cos a = 1/2, sec a = 2, cot a = 1/√3, csc a = 2/√3 ?................No..... Watch the signs


Thanks!

In which quadrant the angle A falls in?
 
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