Question

1/1+ CosA + 1/1- CosA

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Answer 1

Step-by-step explanation:

this is equal to (1- Cos A + 1+ Cos A)/ 1 - cos ^2 A

= 2 / Sin^2 A

= 2 Cosec ^2 A.

Answer 2

Answer:

2

Step-by-step explanation:

1/1+CosA-CosA+1/1

1/1+1/1

2

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