28. What are the roots of the equation sin20+ sin² 0= 1 on the interval 0 < 0< 360°? A) 45°, 90°, 135°, 270° B) 45°, 180°, 315°, 270° C) 26.565°, 90°, 206.565°, 270° D) 26.565°, 90°, 225°, 315°

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A: topic:- trigonometry

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