how to determine whether the sign is positive or negative?

determine the sign of sin 2.95, is this a positive or negative?
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2 Answers

Graph it or use a calculator,

SIN(2.95)=0.190422647
by Level 5 User (14.8k points)

CH3COOH formula a is equal to the number of positive ions to the number of ions neagtivesmiley

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