Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি sin θ + cosec θ = \(\sqrt{5}\) হয়, তাহলে sin3 θ + cosec3 θ এর মান = ___________।
1
0
2
\(3\sqrt{5}\)
3
\(\frac{1}{\sqrt{5}}\)
4
\(2\sqrt{5}\)