April 2020 1 30 Report
1. Tentukan nilai x dari persamaan
a) cos2x - sinx = 0, (0°≤ x ≤ 360°)
b) 4sinx = 1+2cos2x, (0° ≤ x ≤ 360°)
c) tan²x-3secx+3 = 0, (-180° ≤ x ≤ 180°)

2. buktikan :
cos3Asin³A + cos³Asin3A = ¾sin4A

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