I'm having problems with a trig equation does sin(100˚)=cos(-10)˚explain why or why not NO CALCULATORS ALLOWED?
Please help i have no idea how to solve this
Update:i'm in 10th grade completely lost my teacher hasnt taught me how to graph these equations yet and the formulas he gave me dont apply to this problem if you can please simplify your explanations thank you
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Yes, because sin(100˚) = sin(80˚) = cos(10˚) = cos(-10˚), since cos(x) is an even function.
no, but sin100 = cos10
you are supposed to be able to sketch the sin and cosin curves and compare the values.