plz say some MCQ questions based on INTRODUCTION TO TRIGONOMETRY lesson
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2tanx/1+tan^2x =?
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A boy standing on the top of the tower 20 metres height is so the top of a building at an elevation of 50 degree and its base at a depression of 30 degree.(a) draw a rough figure according to the given data(b) find the distance between the tower and the building (c) find the distance from the top of the tower to the base of the building(d) find the height of a building( sin city is equal to 0.76 course 50 sequel to 0.64 1050 is equal to 1.19 root 3 is equal to 1.7
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