cos(90°-theta) / 1+sin(90° -theta) + 1+ sin (90-theta)/cos(90°-theta) =2 cosec theta
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Step-by-step explanation:
(SinO/1+CosO) + (1+CosO/SinO)
Sin²O + (1+CosO)²/SinO(1+CosO)
(Sin²O+1+Cos²O+2CosO)/SinO(1+CosO)
2+2CosO / SinO(1+CosO)
2(1+CosO)/SinO(1+CosO)
2/SinO = 2CosecO
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