NDA2018MathematicsTrigonometric Ratios & IdentitiesActual
If + =0= + , where 0 2 , then which one of the following is correct?
Options
- A= -
- B= +
- C=2 -
- D2 = +2
Correct answer
B. = +
Step-by-step solution
aligned & + =0= + & + =0 & =- & = ( + ) & = + aligned