From the graph of y=sin−1(sinx), it is clear that sin−1(sin10)=3π−10
From the graph of y=cos−1(cosx)
It is clear that cos−1(cos10)=4π−10
Hence y−x=(4π−10)−(3π−10)=π
If x=sin−1(sin10) and y=cos−1(cos10), then y−x is equal to:
Held on 9 Jan 2019 · Verified 6 Jul 2026.
10
π
0
7π
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