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Nishant

· started a discussion

· 1 Months ago

Any other Solution with more effectiveness..?

Question:

If cos (α + β) =  45       and sin (α – β) =  513    , then find the value of tan 2 α ?

Options:
A)

1633   

B)

5633   

C)

5611   

D)

1611   

Solution:

Ans: (b)

  

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