What is the value of cos(Θ)
2 Answers By Expert Tutors
Mathematics Teacher - NCLB Highly Qualified
sin2 θ + cos2 θ = 1
(1/4)2 + cos2 θ = 1
1/16 + cos2 θ = 1
cos2 θ = 15/16
cos θ = √15 / 4
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