Math, asked by ydvsahil, 8 months ago


 cos^{ - 1} ( \cos( \frac{4\pi}{3} ))


Answers

Answered by AbdulHafeezAhmed
0

The range of cosθ is [0, π]

So, its value will be: cos^-^1(cos (2\pi - \frac{4\pi }{3} ))

= cos^-^1(cos(\frac{2\pi }{3} )) = \frac{2\pi}{3}

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