NDA2017MathematicsTrigonometric Ratios & IdentitiesActual
The expression + + is equal to
Options
- A( + 2 )
- B( + 2 )
- C( + 2 )
- D( + 2 )
Correct answer
A. ( + 2 )
Step-by-step solution
aligned & + + = 2 ( + 2 ) ( - 2 ) 2 ( + 2 ) ( - 2 ) & = ( + 2 ) aligned