tan−1x+cot−1x=2π for all real x. So expression =2π+sin−1x. Since sin−1x∈[−2π,2π], expression ranges from 0 to π. Hence α=0, β=π.
CUET UG 2023 — Mathematics Algebra
If a set P contains 5 elements and the set Q contains 8 elements, then the number of one-one functions from A to B is :
Held on 30 May 2023 · Verified 13 Jul 2026.
8C5
8C5×5!
58
85
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