prove cosecA ÷ cotA+tanA = cosA
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Step-by-step explanation:
cosecA ÷ cotA+tanA = cosA
cosecA ÷ cosA/sinA+sinA/cosA
cosecA ÷ (sin²A+cos²A) /sinAcosA
cosecA ÷ 1/sinA cosA
1/sinA × sinA cosA
= cosA
Here ,
sin²A + cos²A = 1
cosecA = 1/sinA
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