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As above...

And.... how many more topics to you have to go?

Yeah ok, thanks heaps for you edited comments... :) Much appreciated.

Yeah, ok then... No, it's not that hard... I think you can do it without this - I don't this is in the Mathematics course (yet)?!.... Yeah, Drongoski has been very helpful. Thanks. :)

Yes, I certainly do... I really appreciate their help... :):) So how do you do the original post without learning about radians? Thanks. :)

Are you able to help me any further then?? Thanks. :) Sorry I should have put the range in 0 deg less than or = to, theta, less than or equal to 360 deg.

You're right!! I need the extra extra basics! :)

Yeah ok, thanks... Maybe you are going further than I need?

Answers say x = 0, 180, 360 degrees...

Hello All. Could someone please help with the following question? Solve cos^2x=1 Thanks for your help in advance. :)

sec(240) = -1 / cos(60) --------> -2/1 = -2 This right?? Thanks ...:)

Yes, that is clearer thanks. I'll do one more so if it was.... Q. Find the exact value of cos(-30)... So Cos (-30) = 2/root3... I suppose this is a bit different, not really like the last two. Thanks...:)

I will +1 to your rep bedpotato.... Could you write out the way you do Q2? I need to learn this way...:)

I think I'm confusing myself here.... I appreciate everyone's help so far (but esp. bedpotato! )... Thanks. :)

Sorry, my previous answer wasn't complete Sin60 = opposite/hypotenuse so instead because it's cosec, it would be hypotenuse/opposite.... Which would equal 2/root 3 and -2/root 3 because it's in the 4th quadrant. :)

I would go like this for the second one... I would put it on a diagram... In the 4th Quad, 60 deg from the 0/360 line... Then this is 300degT or Cosec300... = Sin60 (relative angle)... Cosec being the recip trig ratio of Sin... Then Cosec300 = - Sin60 because Sin is negative in the 4th Quad...

In regard to headings needed to create the Business Plan.... I'm pretty sure it's like a Business Summary, SWOT Analysis, Business and Operations Section, The Market Section, Future and Human Resources Section, The Finances Section... Does this sound right? :)

Thanks heaps.... Do you need all these steps? I just did Sec225 = -Cos45 (Using quad for +-, then recip ratio (cos/sec)...Instead of a/h it was h/a.... Can someone please help me here? Am I right or not?? :):)

Thanks HeriocPandas.... I have remembered this, (I think I must be doing something wrong on mi calc...) Does it equal -Cos45.... ??

Hello Everyone... Could someone please help me with.... Q1. Find the exact value of sec 225 deg. Q2. Find the exact value of cosec 300 deg. First thing I tend to do is place it in the difference quadrants... So Q1 would be in Quad 3 (or where T is positive) 45 degrees from 180...