Math, asked by board2019, 1 year ago

cosec A/ cosec A -1 + cosec A / cosec A+1 = 2 sec² A

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Answered by ayanakhan

23

hєrє íѕ thє ѕσlutíσn....hσpє thíѕ mαч hєlp uh..

plєαѕє mαrk ít αѕ вrαínlíєѕt αnѕwєr...

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