Question

Write ‘True’ or ‘False’ and justify your answer. If the height of a tower and the distance of the point of observation from its foot, both, are increased by 10%, then the angle of elevation of its top remains unchanged.NCERT Class XMathematics - Exemplar ProblemsChapter _INTRODUCTION TO TRIGONOMETRY AND ITS APPLICATIONS

Answer 1

wrong because when distance and height increase the angle also changed

Answer 2

Answer False because when distance and height increase the angle also changed