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Pramod Kumar Verma

· started a discussion

· 1 Months ago

ans (Question: 248672.0 )

option A & B both are right answers.
when we proceed cot @=1/tan@

Question:
If cot \(\theta\) = \(\cfrac{sin\ a+cos\ a}{sin\ a-cos\ a}\),   then sin \(\alpha\) – cos \(\alpha\) is
Options:
A) ±\(\sqrt{2}\) sin \(\theta\)
B) ±\(\sqrt{2}\) cos \(\theta\)
C) -\(\sqrt{2}\) sec \(\theta\)
D) ±\(\sqrt{2}\) cosec \(\theta\)
Solution:

Ans: (a) 

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