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dheeraj

· started a discussion

· 1 Months ago

many wrong questions in the paper. they waste too much time and also lowers the confidence while giving mock.

yogesh saini

· commented

· 1 Months ago

Yet to be approved!

This topic is not avialable

VISHAL SAHU

· started a discussion

· 1 Months ago

wrong question

Question:

If a - a tan230o1+ a tan230o   = sin2 30o + 4cot2 45o – sec2 60o, then the value of a is– 

Options:
A)

14    

B)

13    

C)

12    

D)

15    

Solution:

Ans:(c)


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