railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

जर tan A = 3/4 आणि tan B = 5/12 असेल आणि A व B हे पहिल्या चतुर्थकात असतील, तर cos(A + B) चे मूल्य काढा.

1
1
2
33/65
3
16/65
4
15/48
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