railway RRB Group D Mock Test Series 2024-25 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
A ଏବଂ B ହେଉଛି ଦ୍ୱିତୀୟ ଚତୁର୍ଥାଂଶ କୋଣ,sin A = \(\frac{4}{5}\) ଏବଂ sin B = \(\frac{5}{13}\) cos(A - B) ର ମୂଲ୍ୟ ଖୋଜ
1
\(\frac{12}{65}\)
2
\(\frac{56}{65}\)
3
\(\frac{16}{13}\)
4
\(\frac{28}{65}\)