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Deveshi Deeher

· started a discussion

· 1 Months ago

question error (Question: 188692.0 )

Inspite of good internet connection it shows connection error and showing error in question no. 61 &64

Question:
 If \(\cfrac{sin \theta + cos\theta}{sin\theta - cos \theta}\)    = 3, then the value of sin4\(\theta\) -cos4\(\theta\) is –
Options:
A) \(\cfrac{1}{5}\)
B) \(\cfrac{2}{5}\)
C) \(\cfrac{3}{5}\)
D) \(\cfrac{4}{5}\)
Solution:
Ans: (c)


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