Consider the following:
1.(cos A / (1 − tan A)) + (sin A / (1 − cot A)) = sin A + cos A
2.(1 − sin A − cos A)² = 2(1 − sin A)(1 + cos A)
Which of the above is/are identity/identities?
Mathematics
2015
CDS Elementary Mathematics 2015
CDS 2015
Options
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