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Svetlanka [38]
3 years ago
10

How do you solve sin9x/1-cos^2(9x)

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
8 0
Using formula sin^2 x +cos^2 x = 1 you get 1 - cos^2(9x) = sin^2(9x)

so in this way this fraction will be rewrited 

sin9x/(1-cos^2(9x) = sin9x / sin^2(9x) = 1/sin9x
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