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Nathen Chaney
Mathematics
12 March, 09:06
How do you solve
sin9x/1-cos^2 (9x)
+5
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Priscilla Frank
12 March, 09:19
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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