2009 · Q12
For what value of θ is (sin θ+ cosecθ ) = 2.5 where 0 <θ ≤ 90°?
Elementary MathematicsTrigonometry
- A30°
- B45°
- C60°
- D90°
Explanation
sinθ + cosecθ = 2.5 gives sinθ = 1/2, so θ = 30°.
For what value of θ is (sin θ+ cosecθ ) = 2.5 where 0 <θ ≤ 90°?
Explanation
sinθ + cosecθ = 2.5 gives sinθ = 1/2, so θ = 30°.