Find the value of cos-1 cos2-3 - sin-1 sin2-3 -

Given, cos^ 1(cos2π3)+sin^ 1(sin2π3) =cos^ 1(cos(π π3))+sin^ 1(sin(π π3)) =cos^ 1( cos(π3))+sin^ 1(sinπ3) =cos^ 1( 12)+sin^ 1(√(3)2) =π ...

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Properties Derived from Trigonometric Identities

Find the valu...

Question

Find the value of ${cos}^{- 1} (cos \frac{2 π}{3}) + {sin}^{- 1} (sin \frac{2 π}{3})$ .

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{cos}^{- 1} (cos \frac{2 π}{3}) + {sin}^{- 1} (sin \frac{2 π}{3})

{cos}^{- 1} (cos \frac{2 π}{3}) + {sin}^{- 1} (sin \frac{2 π}{3})

{cos}^{- 1} (cos \frac{2 π}{3})

{sin}^{- 1} (sin \frac{2 π}{3})

s i n^{- 1} (s i n \frac{2 π}{3}) = \frac{2 π}{3}

t a n^{- 1} (t a n \frac{2 π}{3}) = \frac{- π}{3}

c o s^{- 1} (c o s \frac{2 π}{3}) = \frac{2 π}{3}

s e c^{- 1} (s e c \frac{5 π}{4}) = \frac{3 π}{4}

s i n^{- 1} (s i n \frac{2 π}{3}) = \frac{2 π}{3}

t a n^{- 1} (t a n \frac{2 π}{3}) = \frac{- π}{3}

c o s^{- 1} (c o s \frac{2 π}{3}) = \frac{2 π}{3}

s e c^{- 1} (s e c \frac{5 π}{4}) = \frac{3 π}{4}

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