railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry

If tan α =(1)/(x), then find the value of sin α + cos α.

1
\((1+x)/√(1+x^2)\)
2
\(2x/(1+x^2)\)
3
\((1-x^2)/(1+x^2)\)
4
\((1-x)/(1+x^2)\)
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