(sin a + cosec a)2 + (cos a + sec a)2 = 1 + tan2 a + cot 2 aCan u give me the proof

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Arun · Answer

Dear Nibin On expanding the formula Sin²a + cosec²a + 2 + cos²a + sec²a + 2 (as 2 *sina*coseca = 2) 5 + cosec²a + cot²a = 7 + tan²a + cot²a Regards Arun (AskIITians forum expert)

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(sin a + cosec a)2 + (cos a + sec a)2 = 1 + tan2 a + cot 2 aCan u give me the proof

(sin a + cosec a)2 + (cos a + sec a)2 = 1 + tan2 a + cot 2 aCan u give me the proof

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(sin a + cosec a)2 + (cos a + sec a)2 = 1 + tan2 a + cot 2 aCan u give me the proof

(sin a + cosec a)2 + (cos a + sec a)2 = 1 + tan2 a + cot 2 aCan u give me the proof

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