Find the value of `cos (-171 0^(@))` – InterviewSolution

InterviewSolution

1.	Find the value of `cos (-171 0^(@))`
Answer» We know, for any natural number n`cos(2npi +x) = cos x`. So, `cos(-1710^@) =cos(5**2pi + (-1710^@))` `cos(1800^@-1710^@) = cos90^@ = 0`

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