Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
Which of the following is the value of \(\sqrt{\frac{1-\sin 45^{\circ}}{1+\sin 45^{\circ}}}\)?
1
cos 45° – tan 45°
2
tan 45° – sec 45°
3
tan 45°
4
More than one of the above
5
None of the above