Teaching AP DSC School Assistant 2025 Mock Test Series Mathematics Trigonometry Inverse Trigonometric Functions
यदि (sin –1 x) 2 + (cos –1 x) 2 = \(\frac{5\pi^2}{8}\) है, तो x का मान ज्ञात कीजिए।
1
± 1/ \(\sqrt2\)
2
± 1/2 \(\sqrt2\)
3
± 1/ 2
4
± 1/ \(\sqrt3\)