hey mates .... correct answer will be marked as brainliest and his or her account will be followed
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1/sinA-1. 1-sinA. cosA. (cosA)²
----------- = ---------- = ----------- = ---------
1/sinA+1. 1+sinA. 1+sinA. (1+sinA)²
plz mark IT as BRAINLIEST...
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