asked 7.5k views
23 votes
Provide an exact evaluation of the expression:

Provide an exact evaluation of the expression:-example-1
asked
User Venkat M
by
8.4k points

2 Answers

6 votes

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

answered
User Justin Aquadro
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7.8k points
6 votes
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
answered
User Avli
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