Products
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Trigonometry + trigonometric equations
CourseAfter revising the sine and cosine rules you'll learn about extending sin cos and tan to angles of any size and be confident in solving a range of equations using trig functions, including quadratics and some important trig identities.
£29
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Sequences and series - APs and GPs
CourseThis course will teach you different ways to describe sequences and sums of sequences (series) with a particular focus on arithmetic and geometric sequences and series.
£29