Asked by Sophie

Find the measure of the reference angle for 400 degrees.

I did the work and got 40 degrees, is this right?
Answered by Reiny
yes, it is right.

you can always check by
anytrigfunction(400) = anytrigfunction(40)
e.g. sin400 = sin40
Answered by Sophie
thanks for checking (;
Answered by ron
cot75
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