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It is known that sinbeta=4/5 and 0 < bet...

It is known that `sinbeta=4/5` and `0 < beta < pi` then the value of `(sqrt3 sin(alpha+beta)-2/cos(pi/6) cos(alpha+beta))/(sin alpha)` is

A

(a)independent of `alpha` for all `beta` in `(0 , pi)`

B

(b)`(5)/(sqrt(3))` for `tan beta gt 1`

C

(c)`(sqrt(3)(7+24 cot alpha))/(15)` for `tan beta lt 0`

D

(d)none

Text Solution

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The correct Answer is:
B, C
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