Inactive Tutor answered • 03/19/15
Tutor
New to Wyzant
4sin2(x)/sin2(2x)=4sin2(x)/(2 sin(x) cos(x))2=(sin2(x)/sin2(x))(1/cos2(x))=sec2(x)
Proved.
Emilee K.
asked • 03/19/15Sec^2(x)=4sin^2x/sin^2(2x)
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