defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Differential Calculus Evaluation of derivatives
If y = \(\rm {\rm{\;}}\frac{{\left( {sinx - cosx} \right)}}{{sin2x}} \), find \(\rm \frac{{dy}}{{dx}}\)
1
\(\rm\frac{1}{2}\left( {secx.cotx + cosecx.tanx} \right)\)
2
\(\rm \frac{1}{2}\left( {secx.cotx - cosecx.tanx} \right)\)
3
\(\rm \frac{1}{2}\left( {secx.tanx + cosecx.cotx} \right)\)
4
\(\rm \frac{1}{2}\left( {secx.tanx - cosecx.cotx} \right)\)