NCERT Class 10 Mathematics Chapter 14 Page No. 287 Exercise 14.3 Question No. 2
							
								
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(i) (2 tan 30°)/(1 + tan² 30°) = (A) sin 60° (B) cos 60° (C) tan 60° (D) sin 30° (ii) (1 – tan² 45°)/(1 + tan² 45°) = (A) tan 90° (B) 1 (C) sin 45° (D) 0 (iii) sin 2A ...
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