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LCHL SEC 2018 P2 Q9

10,00

a) sine rule, equation with two fractions and  sin of an angle, inverse sin

b) i) period and range in trigonometric function

b) ii) Pythagoras Theorem, connection between range and value of given function

b) iii) graph of cos function

b) iv) interpretation of cos function graph

c) cosine rule, taking bracket to power of 2,