trigonometry
prove that
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Cot + Ø. Cosec Ø + 1
______. = __________
Cosec -1. Cot Ø
CotØ. Cosec Ø + 1
______. =. _________
Cosec -1. Cot Ø
2CotØ
_______. = 0
CosecØ
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