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Let alpha, beta and gamma be some angles...

Let `alpha, beta` and `gamma` be some angles in the first quadrant satisfying `tan(alpha+beta)=15//8` and `cosec gamma = 17//8`, then which of the following hold(s) good ?

A

`alpha+beta+gamma=pi`

B

`cot alpha cot beta cot gamma = cot alpha + cot beta + cot gamma`

C

`tan alpha + tan beta + tan gamma = tan alpha tan beta tan gamma`

D

`tan alpha tan beta + tan beta tan gamma + tan gamma tan alpha =1`

Text Solution

Verified by Experts

The correct Answer is:
B, D
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