2010 · Q16
What is the value of [(1 – sin² θ)sec² θ + tan² θ] (cos² θ + 1) when 0 < θ < 90° ?
Elementary MathematicsTrigonometry
- A2
- B>2
- C≥ 2
- D<2
Explanation
Expression simplifies to 1+sec²θ > 2 for acute θ.
What is the value of [(1 – sin² θ)sec² θ + tan² θ] (cos² θ + 1) when 0 < θ < 90° ?
Explanation
Expression simplifies to 1+sec²θ > 2 for acute θ.