
Mark M. answered 06/21/19
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
cos θ = sin (π/2 - θ)
cos2 θ = 1 - sin2⇑ θ
David G.
asked 06/21/19Mark M. answered 06/21/19
Mathematics Teacher - NCLB Highly Qualified
cos θ = sin (π/2 - θ)
cos2 θ = 1 - sin2⇑ θ
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