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inysia [295]
3 years ago
14

(4 – 4 cosx)(4 +4 cosx) Simplify

Mathematics
2 answers:
Bumek [7]3 years ago
5 0

Answer:

16sin^2(x)

Step-by-step explanation:

(a-b)(a+b)=a^2-b^2

(4-4cosx)(4+4cosx)

=4^2-(4cosx)^2

=16-16cos^2(x)

=16(1-cos^2(x))

=16sin^2(x)

natali 33 [55]3 years ago
3 0

Answer:

I don't quite know

Step-by-step explanation:

but thanks for asking

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