Math, asked by chetantangleas, 1 year ago

sin a+ cos a/ sina -cos a + sin a- cos a/sina+ cos a= 2sec^2 a / tan^2a -1

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Answered by ashajain93

sin a+ cos a/ sina -cos a + sin a- cos a/sin a+ cos a= 2 sec^2a / tan^2a -1
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