im working on revising some topics which at the end of the school year i will have a big exam on all

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im working on revising some topics which at the end of the school year i will have a big exam on all the topics we've covered, i need to hand in couple of assignemnts and this is one of them. it is a 10 question past paper 

 

 

A curve has equation 

_ — +4vG — 15 

6 

dy 

(a) Find — 

giving the answer in simplest form. 

-o 

point P 4,— 

3 

lies on the curve. 

(b) Find the equation of the normal to the curve at P. Write your answer in the form 

ax + by + c — O, where a, b and c are integers to be found. 

2. 

(a) Show that the equation 

8 tan e — 3 cose 

may be rewritten in the form 

3 sin29+ 8 sine — 3 — 

(b) Hence solve, for O x 900, the equation 

3eos2v 

giving your answers to 2 decimal places. 

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