\(\sin^{−1}\left(\frac{−\sqrt{3}}{2}\right)\) का मुख्य मान है:

  1. \(−\frac{2\pi}{3}\)
  2. \(−\frac{\pi}{3}\)
  3. \(\frac{4\pi}{3}\)
  4. \(\frac{5\pi}{3}\)

Answer (Detailed Solution Below)

Option 2 : \(−\frac{\pi}{3}\)

Detailed Solution

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व्याख्या:

यदि sinθ = x ⇒ θ = sin-1x,  θ ∈ [-π/2, π/2] के लिए,

sin (sin-1 x) =x, -π/2 ≤ x ≤ π/2  के लिए

हमारे पास है, \(\sin^{−1}\left(\frac{−\sqrt{3}}{2}\right)\)

= sin-1(sin( \(\frac{-\pi}{3}\)))  ----- चूँकि  \(\frac{-\pi}{3}\) ∈ [\(\frac{-\pi}{2}\), \(\frac{\pi}{2}\)]

∴ sin-1(sin( \(\frac{-\sqrt{3}}{2}\))) = \(\frac{-\pi}{3}\)

Additional Informationव्युत्क्रम त्रिकोणमितीय फलनों का मुख्य मान:

फलन 

प्रांत 

मुख्य मान की परास

sin-1 x

[-1, 1]

[-π/2, π/2]

cos-1 x

[-1, 1]

[0, π]

csc-1 x

R - (-1, 1)

[-π/2, π/2] - {0}

sec-1 x

R - (-1, 1)

[0, π] - {π/2}

tan-1 x

R

(-π/2, π/2)

cot-1 x

R

(0, π)

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