NDA2021MathematicsTrigonometric Ratios & IdentitiesActual
What is the value of the following? 31^ 33^ 35^ ________ 57^ 59^
Options
- A-1
- B0
- C1
- D2
Correct answer
C. 1
Step-by-step solution
aligned & 31^ 33^ 35^ 55^ 57^ 59^ & = 31^ 33^ 35^ aligned aligned & (90^ -35^ ) (90^ -33^ ) (90^ -31^ ) & = 31^ 33^ 35^ 45^ . . aligned 35^ 33^ 31^ =1 .