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pishuonlain [190]
3 years ago
15

How do I verify the identity?

Mathematics
1 answer:
Alex17521 [72]3 years ago
6 0
Left hand side :

cos2x - tan2x / sin2x

can be written as..

cos2x/sin2x   -   tan2x/sin2x

1/tan2    -     1/cos2x     (according to formula, tan2x = sin2x/cos2x )

cot2x - sec2x = right hand side (proved)
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4 years ago
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