Math, asked by saqibakhtar041003, 11 months ago

find the principal value of : cos^-1(2)

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Answered by promilarakesh1982

1

Answer:

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Answered by princenirbanyadav

0

Answer: 120 is 2π/3. Hence Principal Value of Cos⁻¹ ( -1/2 ) is ( 2π/3 )

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