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If 0 lt alpha , beta lt pi//4, cos ( al...

If `0 lt alpha , beta lt pi//4, cos ( alpha + beta )=4//5 , sin (alpha - beta) =5//13 " then " tan 2alpha =`

A

`(33)/(56)`

B

`(56)/(33)`

C

`(16)/(63)`

D

`(14)/(63)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-COMPOUND ANGLES-LECTURE SHEET (EXERCISE - I)
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