3 years ago

If cos A= .5410 and A is an angle between 0 and 90

1 answer:

8 0

When you have a cosine value, in order to get the angle you have to look up the arc cosine value
arc cosine .5410 = 57.248 degrees
here's a good trig calculator
http://www.1728.org/trigcalc.htm

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