Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If 3(sec2θ + tan2θ) = 5, 0° < θ < 90°, then the value of cosec θ is:
1
\(\dfrac{1}{2}\)
2
\(\dfrac{1}{\sqrt3}\)
3
2
4
More than one of the above
5
None of the above