
Mark M. answered 04/14/21
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
sec2 θ = 1/ cos2 θ
What does cos 2θ equal in terms or cosine?
Heather B.
asked 04/14/21which is the correct answer?
2sin^2θ−tan^2θ
csc^2θ−2
2−sec^2θ
2cotθ
Mark M. answered 04/14/21
Mathematics Teacher - NCLB Highly Qualified
sec2 θ = 1/ cos2 θ
What does cos 2θ equal in terms or cosine?
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