Re: 2012 Year 9 &10  Mathematics Marathon

Edit: Because I imagine that's how you would work it out.
	
		
			
		
		
	
								You used this in your solution didn't you?k i got it, had to use trig identity tho :/ don't know how u guys got it without using it
Edit: Because I imagine that's how you would work it out.
								
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