NDA2019MathematicsTrigonometric Ratios & IdentitiesActual
If 2 = 3 , where 0 2 , then what is equal to?
Options
- A5 +1 4
- B5 -1 4
- C5 +1 16
- D5 -1 16
Correct answer
B. 5 -1 4
Step-by-step solution
2 = 3 aligned & 2 = (90^ -3 ) & 2 =90^ -3 & 5 =90^ & =18^ & = 18^ = 5 -1 4 aligned