CUET Preparation Today
CUET
General Test
Quantitative Reasoning
Trigonometry
The expression 3 sec2θ tan2θ + tan6θ − sec6θ is equal to:
-2
1
2
-1
3 sec²θ.tan²θ + tan6 θ - sec6 θ
Put θ = 45º
= 3 sec²45º . tan²45º + tan6 45º - sec6 45º
= 3 × 2 × 1 + 1 - 8
= -1
