Asked by Lucy
Find the exact value of: cos315 degrees.
Is the answer sqrt of 2/2?
Thanks
Is the answer sqrt of 2/2?
Thanks
Answers
Answered by
Anonymous
cos(315) is the same as cos(45)
cos(45)=sqrt(2)/2
sqrt(2) is a transcendental number and has no exact value.
cos(45)=sqrt(2)/2
sqrt(2) is a transcendental number and has no exact value.
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