Teaching HTET PGT Level 3 - 2024 Mock Test Mathematics Trigonometry Inverse Trigonometric Functions

If sin–1x + sin–1y = \(\frac{\pi}{2}\), then value of cos–1x + cos–1y is

1
\(\frac{\pi}{2}\)
2
π
3
0
4
\(\frac{2\pi}{3}\)
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