Math, asked by adityarajar8678, 11 months ago

find the value cos-1(cos8π/5)

Answers

Answered by tusharmaheshwari666

2

cos-1cos(8π/5) = 2π - 8π/5 = 3π/5(72°)

Answered by rajakumar030302

1

Answer:

Step-by-step explanation:.

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