Trig functions can be grouped into Paper 1 and Paper 2. Paper 2 concentrates more in proving the identities and sketching a trig function graphs to find the number off solutions. Some students said that proving the identities is the most difficult part in Paper 2...I sometimes agree but the main thing here is apply the correct formulae and be patient. As usual, for those who are weak in Add Maths, there is still a chance for you. Try to explore on Paper 1 because it involves solving the equations and incorporates previous knowledge of Form 4 Maths.Here are some exercises for you to try.
1. Trigonometric Function (set 1 & set 2)
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