engineering recuitment Bihar ITI CAT Mock Test 2025 Quantitative Aptitude Trigonometry Circular Measure of Angles
\(\frac{\sin 30{}^\circ -\cos 60{}^\circ +{{\cot }^{2}}45{}^\circ }{\cos 30{}^\circ -\tan 45{}^\circ +\sin 90{}^\circ }\) का मान किसके बराबर होगा?
1
3/2
2
√3/4
3
(2√3)/3
4
√3/2