Question

Please give me the answer
(1-cosA) (1+secA) = tanA * sin A​

Answer 1

Answer:

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Answer 2

Answer:

$\bull (1 - cos)(1 + sec) = (1 - cos)(1 + \dfrac{1}{cos} )$

$\bull \: (1 - cos)( \dfrac{cos + 1}{cos} )$