Use the opposite angle or periodicity identities to answer. (tan((11pi)/4)cos((19pi)/6))/(sin((31pi)/3))

Expositur3e

Expositur3e

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2022-08-31

Use the opposite angle or periodicity identities to answer.
tan ( 11 π 4 ) cos ( 19 π 6 ) sin ( 31 π 3 )

Answer & Explanation

Saige Roy

Saige Roy

Beginner2022-09-01Added 5 answers

tan ( 11 π 4 ) cos ( 19 π 6 ) sin ( 31 π 3 ) = tan ( 2 π + 3 π 4 ) ( cos ( 3 π + π 6 ) ) sin ( 10 π + π 3 )
= ( 1 ) ( 3 2 ) 3 2 = 1

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