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Solve for 0° less than or equal to x less than or equal to 360° 2sin²x + 3cosx - 3 = 0 2sinxtanx - tanx + 2 sin x - 1 = 0 3cos²x - 7cosx + 4 = 0 I'm not sure about how to go about these...

Incorrect :( It's 84 Correct! Thank you! Ended up being easier than I thought haha.

David walks along a straight road. At one point he notices a tower on a bearing of 053 degrees with an angle of elevation of 21 degrees. After walking 230m, the tower is on a bearing of 342 degrees, with an angle of elevation of 26 degrees. Find the height of the tower correct to the nearest...

Alright! Thank you very much :D!

The electron configuration is confusing when it comes to elements with a large number of electrons. In class, we only ever practiced on the first few elements, but I'd like to move onto the more difficult configurations. Also... the valencies of transition metals... how do I work them out...

Woah, thanks for all the help guys! Much more than I expected haha. Much appreciated :)

I topped maths in our year last year and the year before, I'm fine. I've just never had to do the question before and didn't realise how easy it was, is all. When I tried to do a, for example, I wrote it as a fraction, rather than "1 divided by...". Writing it the other way, I understand it and...

Hey, I'm having trouble with questions similar to these. Could anyone provide the working out these two :S?

Re: Question: What are the two basic types of markets that exist in the market econom Although this seems reasonable, we're not meant to have learnt about it until the next chapter, so I'm confused now. Everything was going fine until I got to chapter 3. I can't find the answers to the...

From "The Market Economy - Preliminary Course 2000, Year 11 Economics" Question: What are the two basic types of markets that exist in the market economy. I just can't find it...

Ok. Thank you ;D

Re: Very Quick Question Alright, thank you. The syllabus changed in 2006, right? So going over any past exams before 2006 would be a waste of time?

Considering the thread was posted in 07, is "Handy Hints for the School Certificate" still relevant today? And by that, I mean the topics to study (e.g. science, HSIE) Thank you ;D EDIT: Oh gosh, I spelt the title wrong...