Teaching Bihar D.El.Ed Mock Test Series 2024-25 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If θ is an acute angle and cos θ =\(\frac{39}{89}\), what is the value of sin θ?
1
\(\frac{49}{89}\)
2
\(\frac{79}{89}\)
3
\(\frac{80}{89}\)
4
\(\frac{50}{89}\)