Math, asked by kishan7637, 9 months ago

the principle value of cos inverse cos 5 is ?

Answers

Answered by gaggunarula786

1

Answer:

Givn =cos^-(cos5)

Cos^-(cos(x))= x if x is lies between 0 and π[π=22/7 or 3.14]

But 5 is greater than o and π

Therefore

Cos^-(cos(2π-5))

2π-5 is ans

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