How do you find the tangent of an angle in a right-angled triangle?

Divide the length of the opposite side by the length of the adjacent side

Answered by Lydia W. Maths tutor

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Dave and Chris split £24 in the ratio 2:1, how much does each person get?


A)Write x^2 – 8x + 25 in the form (x – a)^ 2 + b. (B) Write down the coordinates of the turning point of the graph of y = x2 – 8x + 25. (C)Hence describe the single transformation which maps the graph of y = x2 onto the graph of y = x2 – 8x + 25.


Factorise 5x^2 + 20x


£3000 is invested for 2 years at 3.8% per annum compound interest. What is the total interest earned over the 2 years?


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