SOLUTION: What is the exact value of cos-270 degrees and how to get it
Algebra.Com
Question 1045507: What is the exact value of cos-270 degrees and how to get it
Answer by ikleyn(52797) (Show Source): You can put this solution on YOUR website!
.
The value of cos-270 degrees is the same as cos(90) degree and is equal to 0 (zero).
To get it, you need to know what the cosine is and what 90 degree is.
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