nabeelfurqan
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The solutions for cos^2 x - cos 2x =0, over the domain 0 < x < 2π are

a. π/6 & 5π/6

b. π/2 & 3π/2

c. 0 & π & 2π

d. π/4 & 3π/4 & 5π/4 & 7π/4

*need to know steps*




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The solutions for cos2 x cos 2x 0 over the domain 0 lt x lt 2π area π6 amp 5π6b π2 amp 3π2c 0 amp π amp 2πd π4 amp 3π4 amp 5π4 amp 7π4need to know steps class=

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GEmily2006
d because it helps better and explains better and makes most sense

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