state gov RSMSSB Junior Assistant & Lipik Grade (LDC) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
In ΔABC, ∠B = 90° and AB:BC = 2:1. The value of sin A + cot C is:
1
3√5
2
3 + √5
3
\(\;\frac{{2\; + \;\sqrt 5 }}{{2\sqrt 5 }}\)
4
2 + √5
5
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