railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

जर A + B = 75° आणि A – B = 15° असेल तर 2 (1 + cos 2B) (1 + tan A) चे मूल्य शोधा:

1

0

2

4

3

1

4

6

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