Question

1+sec a /sec a=sin²a/1-cos a​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

1+sec a/sec a=sin^2/1-cos a

(1+1/cos a)/1/cos a= 1-cos^2 a/1-cos a

cos a+1/cos a/1/cos a=(1+cos a)(1-cos a)/(1- cos a)

cos a+1=cos a+1