Most Important Selected Qs for JEE AdvancedMathematicsTrigonometry
If 0 < < 30^ , then find the value of ₂ ( 8 (30^ -2 )- 8 + (30^ - ) 3 ) .
Correct answer
2
Step-by-step solution
aligned E & = ₂ ( P 3 ) P & =8 (30-2 )- 8 (30- ) (30- )+ (30- ) & =8 (30-2 )- 4 ( (30-2 )- 30^ ) 30^ & =8 (30-2 )-8 (30-2 )+4 3 =4 3 E & = ₂ ( P 3 )= ₂ 4=2 aligned