
Mark M. answered 02/06/18
Tutor
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Mathematics Teacher - NCLB Highly Qualified
This is an identity
sin (π - θ) = cos θ
If sin θ = 2/3, what does cos θ equal?
Hannah D.
asked 02/06/18Mark M. answered 02/06/18
Mathematics Teacher - NCLB Highly Qualified
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