Question

Prove that

tan A + Cot A = Sec A . Cosec A​

Answer 1

Answer:

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Answer 2

Answer:

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Step-by-step explanation:

tan A + cot A=sec A cosec A

LHS=tan A +cot A

       =sin A/cos A+ cos A/sin A

      =(sin^2 A+cos^2 A)/cos A sin A

      =1/cos A sin A  

1/cos a = sec a , 1/sina = cosec a

      =sec A cosec A

       =RHS