Given that the inverse trigonometric function assumes principal values only. Let x , y be…
Mathematics · JEE Main · NTA Exams — Trigonometry
Given that the inverse trigonometric function assumes principal values only. Let x, y be any two real numbers in [–1, 1] such that cos–1x – sin–1 y = a,
\(\frac{-\pi}{2} \leq \alpha \leq \pi\) Then, the minimum value of x2 + y2 + 2xy sina is
\(\frac{-\pi}{2} \leq \alpha \leq \pi\) Then, the minimum value of x2 + y2 + 2xy sin
- –1
- 0
- \(\frac{1}{2}\)
- \(\frac{-1}{2}\)
Answer
(B) 0
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