engineering recuitment Bihar ITI CAT Mock Test 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
The value of \(\frac {\sin^2 30^\circ + \cos^2 60^\circ - \sec 35^\circ.\sin 55^\circ}{\sec 60^\circ + \rm cosec\;30^\circ}\) is equal to:
1
\(\frac 1 4\)
2
\(-\frac 1 4\)
3
\(\frac 1 8\)
4
\(-\frac 1 8\)