Consider the following :
1. (1 – cos θ) / (1 + cos θ) = cosec θ – cot θ
2. (1 + cos θ) / (1 – cos θ) = cosec θ + cot θ
Which of the above is/are identity/identities?
Mathematics
2016
CDS Elementary Mathematics 2016
CDS 2016
Options
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