prove that✓1+cosø/1-cosø=cosecø+cotø;<_ø<_90
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Step-by-step explanation:
√1+costheta/1-costheta
√(1+costheta)²/(1-costheta)(1+costheta)
√(1+costheta)²/1-cos²theta
1+costheta/sintheta
cosectheta+cottheta
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