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Firstly, use the trigonometric formula tan2x = sec2x - 1, which you can easily derive from sinJCAnswered by Jakub C. • Maths tutor9720 Views
area of a circle = pi x radius^264pi/4 = 16piStudent must be aware of the equation for the area of a circle and that they must divide by 4 to get the answer here
30 days in November; (30 X 9.43) = 282.9p (2435 X 4.12) = 10032.2p (10032.2 + 282.9) = 10315.1p 5% in VAT so total price is 105% of 10032.2p Convert 105% to decimal; 1.05 (1.05 X 10315...
(1) 4x-y=3(2) 6x+2y=1Eliminate y; (1) X 2 => (3) 8x-2y=6 Add (2) to (3) 8x - 2y = 6 +(6x + 2y) = 114x = 7x=1/2 If x=1/2 then,2-y=3 y= -1
I = x6/3 - x4/16 -5x + C
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