SOLUTION: True or false: sin(-85)=-sin85 Thank you so much for all of your help!!!! God Bless!!!!

Algebra ->  Algebra  -> Trigonometry-basics -> SOLUTION: True or false: sin(-85)=-sin85 Thank you so much for all of your help!!!! God Bless!!!!      Log On

 Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Algebra: Trigonometry Solvers Lessons Answers archive Quiz In Depth

 Question 389898: True or false: sin(-85)=-sin85 Thank you so much for all of your help!!!! God Bless!!!!Found 2 solutions by stanbon, josmiceli:Answer by stanbon(57290)   (Show Source): You can put this solution on YOUR website!True or false: sin(-85)=-sin85 ---------- True ---- In general sin(-x) = -sin(x) ====== Cheers, Stan H. Answer by josmiceli(9668)   (Show Source): You can put this solution on YOUR website!looks true to me Looking at the right side, degrees is in the 1st quadrant between and degrees, and sin is (+) Therefore is (-) -------------- Looking at the left side, degrees is in the 4th quadrant where the sin is (-) so, the equation says