is cos2x(cos2x) the same as (1-2sin)^2?

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please help any answers will be greatly appreciated

2007-01-27 10:08:14 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

I think you are asking if:
(cos2x)^2 = (1 - 2sin2x)^2
If you are, the answer is NO.

If this is not what you are asking, please clarify.

2007-01-27 10:19:24 · answer #1 · answered by ironduke8159 7 · 0⤊ 0⤋

No, cos2x = 1-2(sinx)^2, so cos2x(cos2x) = (1-2(sinx)^2)^2

2007-01-27 10:22:00 · answer #2 · answered by goldenflaws 2 · 0⤊ 0⤋

2007-01-27 10:20:44 · answer #3 · answered by Anonymous · 0⤊ 0⤋