Answers

2015-06-21T11:13:51+05:30
CotA + tanA
= cosA/sinA + sinA/cosA 
= (sin²A + cos²A)/sinAcosA
= 1/sinAcosA
= secAcosecA
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2015-06-21T11:56:28+05:30
CotA + tanA
= cosA/sinA + sinA/cosA 
= (sin²A + cos²A)/sinAcosA
= 1/sinAcosA
= secAcosecA=R.H.S PROVED
0