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 Sep 18, 2022
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If $\sin^{-1}\frac{1}{3}+\sin^{-1}\frac{2}{3}=\sin^{-1}P$, then value of P is
Difficulty: Easy
A: 
$\frac{\sqrt{5}-4\sqrt{2}}{9}$
B: 
$\frac{\sqrt{5}+4\sqrt{2}}{9}$
C: 
$\frac{9}{\sqrt{5}+4\sqrt{2}}$
D: 
$\frac{-5-4\sqrt{2}}{9}$
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NETNUST Entry TestMathematicsInverse Trigonometric Functions