railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

जर tan A = 10/15, तर cos2 Aचे मूल्य किती असेल?

1

59/269

2

49/269

3

225/325

4

169/269

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