Question 823315
Let theta be an acute angle. Use the given function value and trigonometric identities to find the indicated trigonometric function.
If cos theta=1/7, sin theta.
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cosx=1/7
{{{sin(x)=sqrt(1-cos^2(x))=sqrt(1-(1/49))=sqrt(48/49)=sqrt(48)/7)}}}=4√3/7