railway RRB Technician Grade 1 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

Δ ABC ఒక లంబ కోణ త్రిభుజం. ∠A = 90 డిగ్రీలు, AB = 4 సెం.మీ., BC = 5 సెం.మీ. cos B + cot C విలువ ఎంత?

1
17/20
2
29/20
3
23/20
4
31/20
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