SOLUTION: exact value
sin(cos^-1 3/8)
Algebra.Com
Question 148710: exact value
sin(cos^-1 3/8)
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
sin(cos^-1(x))=sqrt(1-x^2)
then
sin(cos^-1(3/8))=sqrt(1-9/64)
=sqrt(55/64)=(0.927 aprox)
Exact value is sqrt(55/64)
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