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RAKESH KUMAR

· started a discussion

· 1 Months ago

Correct answer (Question: 246827.0 )

You should put alpha 90 beta 90 and Gama 0

Question:
If α + β - \(\gamma\) = \(\pi\), then sin2 α+ sin2 β – sin2 \(\gamma\) = ?
Options:
A) 2 sin \(\alpha\) sin \(\beta\) cos \(\gamma\) 
B) 2 cos \(\alpha\) cos \(\beta\) cos \(\gamma\) 
C) 2 sin \(\alpha\) sin \(\beta\) sin \(\gamma\) 
D) 2 cos \(\alpha\) cos \(\beta\) sin \(\gamma\) 
Solution:

Ans: (a)  


Sumit Saini

· commented

· 1 Months ago

Superb

Sumit Sharma

· commented

· 1 Months ago

very nice

Danish

· commented

· 1 Months ago

Great bro...thanx

TABISH

· commented

· 1 Months ago

nice tarika
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