Mathematics
faizabhatti2
2016-04-18 04:32:27
Prove the identity cos(-x)/[1+sin(-x)]=secx+tanx
ANSWERS
chinothecat1
2016-04-18 07:22:22

↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓

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