Teaching Bihar D.El.Ed Mock Test Series 2024-25 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
\ (\ Rm \ sqrt {\ frac {1+ \ sin \ theta} {1- \ sin \ theta}} \) କ’ଣ ସମାନ ହେବ?
1
sec θ + tan θ |
2
sec θ - tan θ |
3
sec 2 θ + tan 2 θ |
4
ସେକେଣ୍ଡ 2 θ - ଟାନ୍ 2 θ |