If sec A = 17 8 and cosec B = 5 4 ; if A, B lies in first quadrant then sec (A + B) is…
Mathematics · JEE Main · NTA Exams — Trigonometry
If sec A = \(\frac{17}{8}\) and cosec B = \(\frac{5}{4}\); if A, B lies in first quadrant then sec (A + B) is equal to
- \(\frac{85}{36}\)
- \(-\frac{85}{36}\)
- \(-\frac{85}{84}\)
- \(\frac{85}{84}\)
Answer
(B) - 85 36
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