NDA2012MathematicsTrigonometric Ratios & IdentitiesActual
If = 13 5 where 270^ 360^ , then what is equal to?
Options
- A5 13
- B12 13
- C-12 13
- D-13 12
Correct answer
C. -12 13
Step-by-step solution
= 13 5 = h b = P h = 12 13 But is in 4th quadrant =- 12 13 .