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rosijanka [135]
3 years ago
12

Csc α - sin α =cos α cot α Show how this is an identity?

Mathematics
1 answer:
Savatey [412]3 years ago
8 0
Csc a - sin a = cos a cot a
1/sin a - sin a = cos a (cos a / sin a)
(1 - sin^2 a)/sin a = cos^2 a/sin a
cos^2 a/sin a = cos^2 a/sin a

Therefore, the given equation is an identity.
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