esekvng6381 esekvng6381 26-03-2024 Mathematics contestada If cos⁻¹x/a = cos⁻¹y/b =5π/12 and sin⁻¹x/a−sin⁻¹y/b = π/12 then x²/a²+y²/b²=a. 1b. ¼c. ¾d. 5/4