africaj2003 africaj2003

20-02-2021
Mathematics

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Provide an exact evaluation of the expression:

Provide an exact evaluation of the expression class=

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samanthaquamina16 samanthaquamina16

20-02-2021

-1/2 is the answer hope it's correct

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niclahhh niclahhh

20-02-2021

if it is in degrees then it should be -1/2 if I’m not wrong. if it is radians the answer will be different

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