If tan a= (sin a- cos a) ÷ (sin a + cos a) , then sin a+ cos a=?

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Arun · Answer

Dear Pooja tan A = sin - sin(90-A)/ (sinA + sin(90-a)) tan A = 2 cos 45 sin (45 +A)/ 2 sin 45 cos (45+A) tan A = tan (45 +A) A = 45 +A This is never true. Hence I think this question is wrong.

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If tan a= (sin a- cos a) ÷ (sin a + cos a) , then sin a+ cos a=?

If tan a= (sin a- cos a) ÷ (sin a + cos a) , then sin a+ cos a=?

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