Teaching Bihar D.El.Ed Mock Test Series 2024-25 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि θ एक न्यून कोण है और cos θ = \(\frac{39}{89}\), तो sin θ का मान क्या है?
1
\(\frac{49}{89}\)
2
\(\frac{79}{89}\)
3
\(\frac{80}{89}\)
4
\(\frac{50}{89}\)