Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
\(\left(\frac{\sin 35^{\circ}}{\cos 55^{\circ}}\right)^2-\left(\frac{\cos 55^{\circ}}{\sin 35^{\circ}}\right)^2\) + 2 sin 30° is equal to
1
−1
2
0
3
1
4
More than one of the above
5
None of the above