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X = 1 2 cos²x how does this equal? Please help
63.2k views
5 votes
X =
1
2
cos²x how does this equal? Please help

User Fceller
by
6.5k points

1 Answer

3 votes

Answer:

Explanation:

1/2*2cosx*sinx

= sin2x/2

User Robert Brax
by
7.4k points
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