1.

The value of ((cos A + coa B)/( sin A - sin B)) ^(2015) + ((sin A + sin B)/( cos A - cos B)) ^(2015) =

Answer»

0
`COT ^(2015) ((A +B)/( 2))`
`cot ^(2015) ((A-B)/(2))`
`2 tan ^(2015) ((A+B)/(2))`

ANSWER :A


Discussion

No Comment Found