Math, asked by TbiaSupreme, 1 year ago

The Value of cos⁻¹(cos(- π/3)) is.........,Select Proper option from the given options.
(a) - π/3
(b) π/3
(c) 4π/3
(d) 2π/3

Answers

Answered by SidVK
0
cos^-1{cos(-π/3)}

= cos^-1 { cos(π/3) }......because, cos(-x) = cos x.

= cos^-1 ( cos π/3 )

= π/3....●

Option "b" is correct.

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Hope it was helpful.
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